Holly learned from her science teacher that her height resulted from about 180 genes, each contributing a tiny amount of genetic information. Holly learned that her height was due to _____.

Question

Quizplus · Accepted Answer

The use of the word "contributing" implies additive genes, which means that each gene has a small effect on height and they all add up. Dominant and recessive genes refer to whether the trait is expressed or not in an individual's phenotype, and nonadditive genes would suggest that the genes interact with each other in non-linear ways.

Holly Learned from Her Science Teacher That Her Height Resulted