Imagine That Twins Are Separated at Birth

question 83

Multiple Choice

Imagine that twins are separated at birth.One is raised speaking only English,while the other is raised in a bilingual household and speaks both English and Spanish.Years later,the twins meet and decide to learn French together.The bilingual twin has a remarkably easy time learning French,while the other twin struggles.This difference may be explained by

• A) codominance.
• B) incomplete dominance.
• C) multiple-allele inheritance.
• D) multifactorial inheritance.
• E) polygenic inheritance.