Undescended testes cause infertility because
A)sperm development is impeded by the higher internal body temperature.
B)there is too little testosterone.
C)they undergo apoptosis, and can no longer produce sperm.
D)they become entangled in the seminiferous tubules, which then degenerate.

Question

Undescended testes cause infertility because
A)sperm development is impeded by the higher internal body temperature.
B)there is too little testosterone.
C)they undergo apoptosis, and can no longer produce sperm.
D)they become entangled in the seminiferous tubules, which then degenerate.

Quizplus · Accepted Answer

Undescended testes are kept at a higher internal body temperature, which impedes sperm development. Spermatogenesis occurs at a temperature almost 2-4°C lower than the normal body temperature. Therefore, undescended testes can cause infertility.

Undescended Testes Cause Infertility Because