Recent research on the genetic basis of language development suggests that:
A) genetics are the major influence on language development abilities.
B) environmental effects have a greater influence on grammatical development than on lexical development.
C) environmental effects have a greater influence on lexical development than on grammatical development.
D) environmental effects have the greatest influence on language development abilities.

Question

Quizplus · Accepted Answer

Recent research has suggested that genetics play a role in language development, but environmental effects also have a significant influence. Specifically, environmental effects seem to have a greater impact on grammatical development than on lexical development. Therefore, option B is the best choice.

Recent Research on the Genetic Basis of Language Development Suggests