How does the position of the scrotum in a male's body protect sperm?

Scrotum provides a protective covering to the testicles in which the sperms are produced and also helps in regulating the temperature favorable for sperm production.

Explanation:

Scrotum is an external skin pouch in male body that consists of testicle in oval shaped glands. The position of scrotum helps it to maintain its temperature a little lower than the rest of the body. Low temperature is favorable for the production of sperm. Along with this the cremaster muscle of scrotum also provide protection to the testicles and the blood vessels (entering into it).

the genotypes would be 50% bb and 50% bb

the phenotypes would be 50% brown and 50% white. hope this : )

age range would be the answer