Author Question: John's wife Ella recently gave birth to their fourth child. John and Ella decide not to have any ... (Read 206 times)

ec501234 · **on:** Jun 18, 2018

John's wife Ella recently gave birth to their fourth child. John and Ella decide not to have any more children, and thus John decides to undergo a vasectomy. What does this procedure entail?

a. the severing of John's epididymis
b. the severing of John's two vas deferentia
c. the severing of John's seminiferous tubules
d. the severing of John's van nebular

Question 2

Dr. Kantor recently identified a genetic mutation that causes infertility in men. She found that a mutation in the ____ gene causes sperm to swim in a circle, rather than in a forward direction,

thus significantly decreasing the chances that the sperm will find the female ovum.

a. sperm propellant protein c. sperm kinase specific protein
b. sperm associated glycoprotein d. sperm forward-mobility protein