If a physician informed you that your speech disorder was the result of problems on chromosomes 4, 7, and 15, you would rightly conclude that the disorder is always classifiable as
A) recessive.
B) polygenetic.
C) dominant.
D) sex-linked.

Question

Quizplus · Accepted Answer

The involvement of multiple chromosomes (4, 7, and 15) in the speech disorder suggests that the condition is polygenetic, meaning it is influenced by several genes. Polygenetic inheritance involves the interaction of multiple genes to produce a trait or disorder, rather than being determined by a single gene.

If a Physician Informed You That Your Speech Disorder Was