Which of the following statements is TRUE regarding the development of the sex organs in a baby?
A) The first sex organs appear far earlier in girls than in boys, since the organs do not require extra tissue for their formation.
B) The first sex organs do not develop until the first 12 weeks of pregnancy are over, which is why pregnant parents cannot find out the gender of the baby until this point.
C) The first sex organs, which are the gonads, are undifferentiated in male and female fetuses for the first month of pregnancy.
D) The first sex organs appear far earlier in boys than in girls, since the organs are external as opposed to internal.

Question

Quizplus · Accepted Answer

The gonads are the first sex organs to develop in both male and female fetuses, and they are undifferentiated during the first month of pregnancy. It is not true that the first sex organs appear earlier in one gender than the other, nor is it true that the sex organs do not develop until 12 weeks into the pregnancy. Additionally, the distinction of internal or external sex organs does not determine the timing of their development.

Which of the Following Statements Is TRUE Regarding the Development