Imagine that twins are separated at birth.One is raised speaking only English,whereas 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,whereas the other twin struggles.This difference may be explained by

Question

Quizplus · Accepted Answer

The ease of learning a third language is influenced by multiple factors, such as cognitive abilities, cultural background, and exposure to other languages. These factors are known as non-genetic, or environmental, factors, and their influence on language acquisition is known as multifactorial inheritance. The bilingual twin has an advantage in learning a third language due to their previous exposure to multiple languages, which may have strengthened their cognitive abilities in this area. Thus, the difference in language acquisition between the two twins is most likely due to multifactorial inheritance.

Imagine That Twins Are Separated at Birth