If the phenotype reflects the activities of more than one gene, it is called a ______ trait.
Answers
If the phenotype reflects the activities of more than one gene, it is called a polygenic trait.
Polygenic traits are those influenced by multiple genes, as opposed to being controlled by a single gene (which would be considered a monogenic trait). In polygenic inheritance, the combined effects of multiple genes contribute to the observed phenotype or trait.
Polygenic traits often exhibit a continuous variation rather than discrete categories. This means that individuals can display a wide range of phenotypic outcomes, with traits falling along a spectrum rather than distinct categories.
Examples of polygenic traits in humans include height, skin color, intelligence, and susceptibility to certain diseases.
The expression of polygenic traits is influenced by the interactions between multiple genes as well as environmental factors. Each gene involved typically contributes a small additive effect to the overall phenotype. The cumulative impact of these gene interactions results in the observed trait.
Understanding polygenic traits is complex due to the involvement of multiple genes, and their expression can be influenced by a variety of factors, including genetic variations, epigenetics, and environmental influences. Statistical methods and genome-wide association studies are often employed to study the inheritance patterns and identify the genes associated with polygenic traits.
Overall, polygenic traits are characterized by the involvement of multiple genes and their cumulative effects on the phenotype, leading to a continuous variation rather than discrete categories.
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Related Questions
When a solution is mixed, the following observations were made:
I. The mass of the solution remained the same.
II. Phase changes were observed.
III. The color of the solution remained clear.
IV. The temperature of the solution increased.
Which observation is a sign that a chemical change has occurred?
Answers
Answer:
IV. the temperature of the solution increased
Explanation:
all chemical change is either exothermic or endothrrmic, temperature is a sign of an exothermic reaction (pretty sure)
Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so. This is an example of a(n) argument.
circular reasoning
begging the question
argumentum ad hominem
bandwagon
Citizens must support reducing global climate change or all the world's major economies will crash. This statement is an example of a(n) argument.
bandwagon
argumentum ad hominem
false dichotomy
hasty generalization
Answers
Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so. This is an example of a(n) bandwagon argument.
The statement "Citizens must support reducing global climate change or all the world's major economies will crash" is an example of a false dichotomy argument. A false dichotomy is a logical fallacy that presents two options as if they were the only ones possible, when in reality there are more alternatives. It can be seen in the above-mentioned statement as it presents only two choices, either citizens must support reducing global climate change, or the world's major economies will crash.
However, there could be other alternatives or solutions to this problem that are not being considered. In contrast, the argument "Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so" is an example of a bandwagon argument.
A bandwagon argument is a type of logical fallacy that suggests that something is correct or right because a lot of people are doing it. In this case, the argument suggests that developed countries should also switch to natural healing herbs because millions of people in China and India are already doing so.
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How can a change in structure to an organisms' cell negatively effect that organism?
Answers
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
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The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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All of the following are examples of physical changes exXcept
a. melting
b. evaporatin8
c. burning
d. solidifying
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Answer:
Burning
Explanation:
Burning is a chemical change, not a physical one
Determine the complementary RNA and the amino acids
Answers
Explanation:
this is your answer I hope so it is helpful for you
Can someone help with this?
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Answer:
False
Explanation:
Sharks are sometimes oviparous and viviparous which basically means there are egg laying and live birth sharks. not ALL sharks give live birth in fact most mothers lay their egg and let the shark hatch all alone in the ocean.
Cecelia planted 11 new flowers in her garden. The flowers were either yellow, which cost $1.60 each at the market, or purple, which cost $1.80 each. Cecelia paid a total of $18.20 when purchasing the flowers.
PLEASE HELPP!!! Or i will fail please help me
Answers
Answer:
8 yellow and 3 purple
Explanation:
which of the following is an example of parasitism? a bees and flowers b a tick on a dog c barnacles attached to a whale d a wolf and a rabbit
Answers
An example of parasitism is a tick on a dog. Therefore the correct option is option B.
In an ecological connection known as parasitism, one creature (the parasite) gains advantages at the expense of the other organism. (the host).
When a tick bites a dog, the dog suffers negative consequences such skin rashes, anemia, and possible disease transmission while the tick receives the nutrients it needs to survive and reproduce from the dog's blood.
As both animals gain from the relationship, bees and flowers are an example of mutualism. Bees obtain nectar from flowers and use it to pollinate them. Therefore the correct option is option B.
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explain why eleftheria terrae is difficult to grow in culture.
Answers
A recently identified Gram-negative bacteria is called Eleftheria Terrae. The organism's temporary name is E. terrae because it was just found in 2014 and is still being researched by scientists.
It was discovered manufactured teixobactin, a previously unidentified antibiotic. Since teixobactin is the first novel antibiotic found since the 1980s' synthetic era, the discovery of E. terrae might herald a new era in the history of antibiotics. Other studies have suggested that other non-cultivable bacteria, such as E. terrae, may hold promise for the creation of novel antibacterial substances.
A gram-negative bacteria called E. terrae makes the antibiotic teixobactin. E. terrae thrives in a variety of growing environments and generates antibacterial activity, however, the R4 fermentation broth is its preferred environment.
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Digestion begins when _____.
A. the esophagus passes food to the stomach
B. food enters the small intestine
C. water is absorbed in the large intestine
D. amylase breaks down starch
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In your opinion, can aquatic plant live in the dark zone? Give your reason 2
Answers
Answer:
Yes
Explanation:
Because the plant has micro bacterial to live off of. Not all plants need sunlight.
What are the types of natural selection in biology?
Answers
The types of natural selection in biology are: Stabilizing selection, Directional selection, Disruptive selection, and Sexual selection.
Natural selection is the process by which certain traits become more or less common in a population over time, based on how well those traits enable the individuals who possess them to survive and reproduce.
1. Stabilizing selection: This occurs when traits that fall within a certain range are favored, while those that deviate from that range are selected against. This leads to the stabilization of a trait within a population.
2. Directional selection: This occurs when a certain trait becomes more or less favorable, causing the population to shift in that direction. This leads to a change in the average value of a trait within a population.
3. Disruptive selection: This occurs when traits at both extremes of a range are favored over those in the middle. This can lead to the splitting of a population into two distinct subpopulations, each with their own favored trait.
4. Sexual selection: This occurs when certain traits are favored because they increase an individual's ability to attract a mate. This type of selection can lead to the evolution of exaggerated or flashy traits, like the colorful plumage of a peacock.
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What is the primary function of the Cell Wall?
1.Take in carbon dioxide
2.builds proteins
3.to protect and provide support for the cell
4.convert solar energy to chemical change
Answers
This table shows the motion of a snail along a wall over time. The speed of the snail can be calculated by dividing the distance traveled by the elapsed time. Distance and Time Traveled Elapsed time (min) Distance traveled (m) 1 2 3 4 0 1.07 1,83 1.83 2.90 Based on these data, what happened between 2 minutes and 3 minutes? A. The snail stopped moving. B. The snail decreased its speed. OC. The snail increased its speed. D. The snail changed direction.
Answers
As per the formula to calculate the speed, it is calculated by the distance and time. The point where the distance is almost same shows the snail stopped moving.
What type of quantity is speed ?It is a scalar quantity. The relationship between speed and distance can be expressed by the equation:
Speed = Distance/Time
In another terms , speed is rate at which any object moves through the space, and is totally calculated by just dividing the distance that is covered by the time taken to almost cover the distance.
The greater the distance traveled in a given amount of time, the faster the speed of the object, while a smaller distance traveled in the same amount of time would result in a slower speed.
Therefore, speed of any object is almost directly proportional to the distance traveled and is inversely proportional to time taken to travel distance. The snail is constant as it is not changing any distance.
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The people were overjoyed and _ to their boats
Answers
The people were overjoyed and take to their boats.
A boat's sides may begin to fill with water as a result of waves breaking over them, which will make the boat denser and eventually cause it to sink. Therefore, even if a boat can transport a specific amount of cargo across perfectly still water, that doesn't guarantee that it can do so safely across a choppy ocean.
What about boats?A boat is technically in the water because it is partially submerged, but it is not so immersed that the phrase "on the water" is incorrect because it is floating on the water. It can move either under its own power—typically a motor—or under the power of the elements, such as the wind, waves, or sun. The majority of boats travel partially through the water and partially above it. Hovercrafts and hydrofoils are two examples of boats with the ability to lift up and travel above the water. A boat can only stay in saltwater for approximately a week without risking damage, while three to four weeks in freshwater usually won't. The building materials on a boat never have a chance to dry out when it is left submerged. An open craft, such a rowing boat, is referred to as a boat. A boat with a cabin is used on a boat. Grease is applied to the hull of the vessel before the transfer, which enables the ship or boat to "slide" off the ramp and make its way safely into the sea. Large ships are launched via slipways, but only smaller ships can be dry-docked or repaired.
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pls help ill give brainliest and 5 stars
Answers
Answer:
Mantle.Continental crust.Composition layers.Oceanic crust.Crust/Lithosphere.Explanation:
Provide two examples of mechatronic systems that you encounter in your everyday environment or that interest you. for each system, identify any/all:
a.sensors
b.actuation
c.electronics/computation elements
Answers
Answer:
1. Air conditioner
2. Washing/drying machine
Explanation:
1. Mechatronic System: The air conditioner:
Sensors: Thermometers
Actuation: Motors used to move the vanes that guide the air out of the vent.
Electronics/computation elements: Microprocessor used to process information from the sensors
2. Mechatronic System: Washing/ drying machine
Sensors: Thermometers
Actuation: Motors used to turn the washing drum
Electronics/computation elements: Microprocessor used to process the wash time and control the drum
An increase in the volume of forests and phytoplankton would lead to a reduction in free_________ which in turn could cause a decrease in carbon dioxide in the atmosphere.
Answers
Answer: Carbon Dioxide and other green house gasses
Explanation:
Answer:
"Carbon"
Explanation:
Just did it
distinguish clearly between pollination and fertilisation
Answers
hii
here's your answer
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endocrine glands are epithelial structures that have had their connection with the surface obliterated during development. how are these glands described?
Answers
During development, the epithelial structures that make up endocrine glands lost contact with the surface. The ductless nature of these glands explains why they produce secretions.
The parenchyma of the thyroid, parathyroid, anterior pituitary (adenohypophysis), adrenal cortex, pancreatic islets, and liver are all made up of epithelial tissue. The epithelial idea of these phones is reflected in their association into lines or bunches, with cells connected along the side to adjoining cells as in surface epithelium.
While exocrine glands have ducts, endocrine glands do not have ducts, so their secretions flow directly into the blood. Endocrine glands are characterized by the following features: They lack ducts, are highly vascularized, and contain hormone-storing intracellular vacuoles or granules.
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Please answer this
Hh
Answers
Answer:
Emm... Answer what exactly
what dictates the structure of a protein molecule synthesized by the body?
Answers
Answer:
The DNA inside the cells nucleus.
Explanation:
What is an advantage of internal fertilization?
increased genetic variation
produces many offspring
environment dictates success of fertilization
higher survival rates
and I know its not the 3rd one:)
Answers
Answer:
1. Offspring survive chances.
2. chance of survival of the organisms
3. Increase the odds of a spontaneous variation
Explanation:
1.While external fertilization is not further divided into any further types. The advantages of internal fertilization are, offspring survival chances are enhanced within the safe environment inside the body of the mother. Chances of successful fertilization are also enhanced.
2. The main advantage of genetic variation is that it increases the chance of survival of the organisms. The nature always selects the fittest organism. So if there was no variation in genetic make up of the organisms, there would not have been so many species of the organisms living in this world.
3.When more offspring are produced, it increases the odds of a spontaneous variation. A variation could be a genetic advantage, such as a bird with brighter colors who is able to attract more and better mates. Over time, multiple variations could lead to the creation of a new species altogether.
2. What type of waves does light travel in? A.Transverse waves
B.Longitudinal waves
Answers
Answer:
hey there!Explanation:
the answer is option A.transverse waves
hope it helped and have a great day!A student want to add a arrow between the reaction shown to Medel how the two systems work together to cycle carbon among Earth systems.
Answers
The student should add an arrow from the product side of photosynthesis to the reactant side of cellular respiration.
What is the direction of flow of carbon between the processes of photosynthesis and cellular respiration?
Cellular respiration is the process by which large sugar molecule are broken down to release energy and carbon dioxide.
Photosynthesis is the process by which sugar molecules are made from carbon dioxide and water using the energy of sunlight.
Therefore, the student should add an arrow from the product side of photosynthesis to the reactant side of cellular respiration.
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which states in the area shown are most likely to rely on surface water for much of the municipal water supplies, and which are least likely?
Answers
Given what we know, the states that are most likely to rely on surface water for much of the municipal water supplies are those with available natural water such as rivers and lakes.
Which States will rely on surface water?This will include states with prominent surface water sources. These sources include lakes as well as rivers.Some examples of these states are Utah, Nebraska, and South Dakota.Meanwhile, states like Nevada and Arizona will not be able to do so due to a lack of surface water of any kind.Therefore, we can confirm that since states like Utah, Nebraska, and South Dakota all have prominent surface water in the form of lakes or rivers, these states and others like them are the most likely to rely on surface water for their municipal needs.
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The role of the liver in waste removal is to:
A. Filter urea out of the blood and into the bladder.
B. Filter excess salt and water out of the blood.
C. Break down dead cell into carbon dioxide to be expelled by
the lungs.
D. Break down excess amino acids and ammonia into urea.
Answers
D
Explanation:
kidneys are used to filter blood..... removal of water, urea and excess salts
The role of the liver in waste removal is to filter urea out of the blood and into the bladder. Thus, option A is correct.
What is liver and its function?The liver is a very important organ of human body and the weight of liver is 1.5 kg and width of liver is 15 cm. The colour of liver is reddish - brown.
The main functions of liver are it carries out the function of protein's metabolism and it excretes bile and it is also responsible for excreting cholesterol, hormones, bilirubin and drugs.
The liver also stores vitamins, glycogen, and minerals so it the center of storage also.
As liver is a very important organ so to maintain it's health a person have to maintain a healthy weight, take a balanced diet, regular exercise, avoiding toxins, and less use of alcohol leads to keep the liver safe and healthy.
Therefore, the role of the liver in waste removal is to filter urea out of the blood and into the bladder. Thus, option A is correct.
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What does complex animals mean in biology
Answers
Answer:In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear.
Which of the following is most affected as a result of these dead zones?
a. Phytoplankton and bacteria b. Fish near the surface of the ocean c. Slow-moving crabs and clams that live along the ocean floor of the following actions, which would be the most beneficial in stopping the dead zones from reappearing in the Gulf of Mexico in the future? a. Restore inland and coastal wetland areas that have been destroyed or degraded In the b. Mississippi River Basin, use fertilizers on steeply sloped land c. Develop new standards for each step in the offshore drilling process
Answers
Phytoplankton and bacteria would be the most affected by dead zones. Dead zones are areas in bodies of water, typically in the ocean, where oxygen levels are extremely low or depleted.
Option (a) is correct.
These low oxygen conditions are primarily caused by excessive nutrient pollution, often from human activities such as agricultural runoff and sewage discharge. Phytoplankton are microscopic plants that are the foundation of the marine food chain. They require oxygen to survive and play a crucial role in producing oxygen through photosynthesis. In dead zones, the lack of oxygen prevents phytoplankton from thriving, leading to a decline in their population and disrupting the entire food chain.
Bacteria are also affected by dead zones as they play a vital role in decomposing organic matter in the water. When oxygen levels are low, bacteria that require oxygen for their metabolic processes struggle to survive, which can further exacerbate the depletion of oxygen in the area.
However, the primary impact in dead zones is typically observed in the lower levels of the marine food chain, affecting organisms like phytoplankton and bacteria.
Therefore, the correct option is (a).
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Complete question is:
Which of the following is most affected as a result of dead zones?
a. Phytoplankton and bacteria
b. Fish near the surface of the ocean
c. Slow-moving crabs and clams that live along the ocean floor
d. Non of the above