When heritability is 100%, the variation among individuals in the population is due to:
A)genotype.
B)phenotype.
C)Both of these choices are correct.

Question

Quizplus · Accepted Answer

When heritability is 100%, all of the variation among individuals in the population can be attributed to their genotype, as the environment does not contribute to the variation. This means that differences in phenotype among individuals are solely due to differences in their underlying genetic makeup.

When Heritability Is 100%, the Variation Among Individuals in the Population