Asked by nerd
Which statement best describes a polygenic trait?(1 point)
Responses
A polygenic trait is only controlled by one environmental factor.
A polygenic trait is only controlled by one environmental factor.
A polygenic trait is only controlled by multiple environmental factors.
A polygenic trait is only controlled by multiple environmental factors.
A polygenic trait is only controlled by one gene and influenced by the environment.
A polygenic trait is only controlled by one gene and influenced by the environment.
A polygenic trait is controlled by multiple genes and influenced by the environment.
A polygenic trait is controlled by multiple genes and influenced by the environment.
An animals weight is determined by:(1 point)
Responses
a single gene only
a single gene only
multiple genes and environmental factors
multiple genes and environmental factors
both a single gene and environmental factors
both a single gene and environmental factors
multiple genes only
Which statement best describes trait distribution?(1 point)
Responses
Distribution describes the different traits that are found in a population.
Distribution describes the different traits that are found in a population.
Distribution describes the different traits that are found in a species.
Distribution describes the different traits that are found in a species.
Distribution describes how individuals in a population are spread across their habitat.
Distribution describes how individuals in a population are spread across their habitat.
Distribution describes how the variation in traits is spread across a population.
Distribution describes how the variation in traits is spread across a population.
Use the table to answer the following question.
Height Frequency of Students in Grades 10-12
Grade 10-12
Height Range 55-59 60-64 65-69 70-74
Frequency 4 9 8 4
A statistician collects the following height data in inches for a school district. The statistician says that it is a normal distribution. How did they draw this conclusion?
(1 point)
Responses
The frequencies for each height range are different.
The frequencies for each height range are different.
When graphed, the data creates a bell curve.
When graphed, the data creates a bell curve.
When graphed, the data creates a straight line.
When graphed, the data creates a straight line.
The frequencies for the first and last height range are the same.
The frequencies for the first and last height range are the same.
Height in humans is a polygenic trait with a distribution similar to the graph shown. Which is true concerning the distribution of height in human populations?(1 point)
Responses
Most individuals will be above average height.
Most individuals will be above average height.
Most individuals will be below average height.
Most individuals will be below average height.
Most individuals will be of average height.
Most individuals will be of average height.
Most individuals will be at the extremes of height.
All Answers 1
Answered by
GPT-5 mini
AI
1) A polygenic trait is controlled by multiple genes and influenced by the environment.
2) An animal's weight is determined by: multiple genes and environmental factors.
3) Trait distribution: Distribution describes how the variation in traits is spread across a population.
4) They concluded it was normal because: When graphed, the data creates a bell curve.
5) Concerning human height: Most individuals will be of average height.
2) An animal's weight is determined by: multiple genes and environmental factors.
3) Trait distribution: Distribution describes how the variation in traits is spread across a population.
4) They concluded it was normal because: When graphed, the data creates a bell curve.
5) Concerning human height: Most individuals will be of average height.
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