Which of the following diseases is not a single-gene recessive trait?
A) Huntington disease
B) Tay-Sachs disease
C) PKU
D) All of the above are single-gene recessive traits.

Question

Quizplus · Accepted Answer

Huntington disease is a single-gene dominant trait, whereas Tay-Sachs disease and PKU are both single-gene recessive traits. Therefore, D is incorrect as it suggests all three diseases are recessive.

Which of the Following Diseases Is Not a Single-Gene Recessive