The statement that best describes a polygenic trait is:
A polygenic trait is controlled by multiple genes and influenced by the environment.
Which statement best describes a polygenic trait?(1 point)
Responses
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 environmental factor.
A polygenic trait is only controlled by one environmental factor.
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.
A polygenic trait is only controlled by one gene and influenced by the environment.
9 answers
An animals weight is determined by:(1 point)
Responses
multiple genes and environmental factors
multiple genes and environmental factors
both a single gene and environmental factors
both a single gene and environmental factors
a single gene only
a single gene only
multiple genes only
Responses
multiple genes and environmental factors
multiple genes and environmental factors
both a single gene and environmental factors
both a single gene and environmental factors
a single gene only
a single gene only
multiple genes only
The correct response is:
multiple genes and environmental factors
Which statement best describes trait distribution?(1 point)
Responses
Distribution describes how the variation in traits is spread across a population.
Distribution describes how the variation in traits is spread across 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 the different traits that are found in a population.
Distribution describes the different traits that are found in a population.
Distribution describes how individuals in a population are spread across their habitat.
Responses
Distribution describes how the variation in traits is spread across a population.
Distribution describes how the variation in traits is spread across 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 the different traits that are found in a population.
Distribution describes the different traits that are found in a population.
Distribution describes how individuals in a population are spread across their habitat.
The statement that best describes trait distribution is:
Distribution describes how the variation in traits is spread across a population.
Use the table to answer the following question.
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
When graphed, the data creates a straight line.
When graphed, the data creates a straight line.
The frequencies for each height range are different.
The frequencies for each height range are different.
The frequencies for the first and last height range are the same.
The frequencies for the first and last height range are the same.
When graphed, the data creates a bell curve.
When graphed, the data creates a bell curve.
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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
When graphed, the data creates a straight line.
When graphed, the data creates a straight line.
The frequencies for each height range are different.
The frequencies for each height range are different.
The frequencies for the first and last height range are the same.
The frequencies for the first and last height range are the same.
When graphed, the data creates a bell curve.
When graphed, the data creates a bell curve.
Skip to navigation
The correct response is:
When graphed, the data creates a bell curve.
Use the graph to answer the question.
An illustration shows a bell-shaped graph.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 at the extremes of height.
Most individuals will be at the extremes of height.
Most individuals will be of average height.
Most individuals will be of average height.
Most individuals will be below average height.
An illustration shows a bell-shaped graph.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 at the extremes of height.
Most individuals will be at the extremes of height.
Most individuals will be of average height.
Most individuals will be of average height.
Most individuals will be below average height.
The correct response is:
Most individuals will be of average height.
1 answer