Which statement about gonads is accurate?

• A. All infants have gonads regardless of sex assigned at birth
• B. Gonads are exclusive to the male sex assigned at birth
• C. Only males and females have gonads
• D. Gonads are developed after birth

Answer: (A)

The statement that all infants have gonads regardless of sex assigned at birth is accurate because gonads, which include testes and ovaries, begin to develop in the embryonic stages of gestation. By the end of the first trimester, all embryos have the rudimentary structures that will ultimately differentiate into gonads, regardless of whether they are assigned male or female at birth. This biological development underscores the fact that gonadal tissue exists early on, forming a critical part of the reproductive system before any external characteristics or sex assignments are made.

This understanding is fundamental in the study of human biology and development, illustrating that both sexes possess the underlying structures from a very early point in life. The development and function of these gonads are essential for later reproductive capabilities and hormonal regulation.