Height is a trait that shows continuous variation in humans.In pea plants, on the other hand, the tall allele is dominant over the short allele and there are no intermediate heights.What is the best explanation for this difference?
A)The alleles that control height in pea plants are epistatic.
B)The alleles that control height in pea plants are pleiotropic.
C)The alleles that control height in humans are pleiotropic.
D)Height is a polygenic trait in humans.

Question

Quizplus · Accepted Answer

Height in humans is controlled by multiple genes, making it a polygenic trait, which results in continuous variation. In pea plants, height is controlled by a single gene with two alleles, leading to discrete variation.

Height Is a Trait That Shows Continuous Variation in Humans