________ is carried by a recessive gene and occurs primarily in Jewish populations.
A)Phenylketonuria
B)Tay-Sachs disease
C)Down syndrome
D)Fragile X syndrome

Question

Quizplus · Accepted Answer

Tay-Sachs disease is carried by a recessive gene and is more common in Jewish populations. Phenylketonuria is also carried by a recessive gene but is not limited to Jewish populations. Down syndrome and Fragile X syndrome are not caused by a single gene and are not limited to Jewish populations.

________ Is Carried by a Recessive Gene and Occurs Primarily