Homework Help: Bio

Posted by Philip on Wednesday, May 25, 2011 at 10:16pm.

im stuck on these questions for my study guide Please help! i dont want links. thanks

1. Which of the follwoing would be an appropriate measure of the phenotypic variation of a trait in a population?
a) the mean of the trait in the population
b) the standard deviation of the trait
c) the heritability of the trait
d) the allele frequency of genes affecting the trait.

2. Evolutionary change of a trait in a population under the effect of selection can occur only when
a) VE >0
b) h^2 >0
c) h^2 =0
d) VE =0

Bio - drwls, Thursday, May 26, 2011 at 6:49am
Biology is not a subject for which Jiskha has a staff expert. Anyone else who happens to read your question is welcome to respond.

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