You are studying a population of mice that fall into two size classes: small and large. You are curious if mouse size is under selection. You count the number of offspring born to small and large parents. Your results show that small parents have on average 6.2 offspring and large parents have 6.25 offspring. Does size seem to be under selection

Question

Biology

Gianna West

17 February, 09:28

You are studying a population of mice that fall into two size classes: small and large. You are curious if mouse size is under selection. You count the number of offspring born to small and large parents. Your results show that small parents have on average 6.2 offspring and large parents have 6.25 offspring. Does size seem to be under selection

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Answers (1)

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Albert Griffith · Answer 1

The information is not sufficient to support this asumption

Explanation:

To unequivocally determine the existence of selection acting on this trait (size), it is necessary to carry out an experiment in which the sample size should be statistically significant (N sample for each group > 50). Moreover, it is also important to include negative controls (i. e., individuals with an average size between both groups) in the experiment.