Studies of the genetics of language impairment indicate that
A) elements of language development are genetically determined.
B) speech development is determined by a complex set of genetic and molecular biological features.
C) the ease and speed of language development have a strong genetic foundation.
D) All of these answers.

Question

Quizplus · Accepted Answer

Studies of the genetics of language impairment have shown that elements of language development are genetically determined, speech development is a complex interplay of genetic and molecular biological features, and the ease and speed of language development have a strong genetic foundation. Therefore, option D is the correct answer.

Studies of the Genetics of Language Impairment Indicate That