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Sagot :
Variance 4 for group A compared to variance 0.25 for group B indicates greater phenotypic variability in group A
Quantitative geneticists can estimate the proportion of total variance based on total genetic variance and environmental genetic variance. When a geneticist seeks to improve a particular quantitative trait (eg, desired yield or weight gain), estimates of the proportion of the variance to the total variance will guide research.
When most of the variance is genetic, an advantage can be gained by selecting individuals with the desired metric. Conversely, if the genetic variance is small, meaning that the environmental variance is large, greater success will be achieved by optimizing the environmental conditions in which the individual grows.
In the question, the variation for group A is 4 while the variation for group B is 0.25 → 4 > 0.24 = A > B
Thus, the correct statement is a greater variability of phenotypes in group A.
Learn more about quantitative geneticists at https://brainly.com/question/14751784
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