By the eighth week of human fetal development, ____.
A) the embryo does not look human yet
B) the neural tube has just begun to differentiate
C) upper and lower limbs have formed, but individual fingers and toes have not begun to differentiate
D) male or female reproductive structures have not started to form yet
E) male or female reproductive structures are forming

Question

By the eighth week of human fetal development, ____.
A) ​the embryo does not look human yet
B) ​the neural tube has just begun to differentiate
C) ​upper and lower limbs have formed, but individual fingers and toes have not begun to differentiate
D) ​male or female reproductive structures have not started to form yet
E) ​male or female reproductive structures are forming

Quizplus · Accepted Answer

By the eighth week of human fetal development, male or female reproductive structures are forming, marking the beginning of sexual differentiation.

By the Eighth Week of Human Fetal Development, ____