QuestionMay 26, 2025

Question 10 of 10 What do directional selection and disruptive selection have in common? A. They both happen only in small populations. B. They both only affect polygenic traits. C. They both decrease genetic variation. D. They both cause mutations.

Question 10 of 10 What do directional selection and disruptive selection have in common? A. They both happen only in small populations. B. They both only affect polygenic traits. C. They both decrease genetic variation. D. They both cause mutations.
Question 10 of 10
What do directional selection and disruptive selection have in common?
A. They both happen only in small populations.
B. They both only affect polygenic traits.
C. They both decrease genetic variation.
D. They both cause mutations.

Solution
4.7(219 votes)

Answer

C. They both decrease genetic variation. Explanation 1. Analyze the options Directional selection and disruptive selection both affect genetic variation in populations. They do not necessarily happen only in small populations, nor do they exclusively affect polygenic traits or directly cause mutations. 2. Determine common effect on genetic variation Both directional and disruptive selection can lead to changes in allele frequencies, potentially decreasing genetic variation by favoring certain traits over others.

Explanation

1. Analyze the options<br /> Directional selection and disruptive selection both affect genetic variation in populations. They do not necessarily happen only in small populations, nor do they exclusively affect polygenic traits or directly cause mutations.<br /><br />2. Determine common effect on genetic variation<br /> Both directional and disruptive selection can lead to changes in allele frequencies, potentially decreasing genetic variation by favoring certain traits over others.
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