Author Question: The percent of sperm released that is actually capable of fertilization is about _________. a. 1 ... (Read 56 times)

kwoodring · **on:** Jun 22, 2018

The percent of sperm released that is actually capable of fertilization is about _________.

a. 1 percent.
b. 5 percent.
c. 1 0 percent.
d. 15 percent.

Question 2

In an age before DNA testing, ______________ can be seen in males as an evolutionary guard against the uncertainty of paternity.

a. Physical attractiveness.
b. Depression.
c. Genetic resemblance.
d. Jealousy.