Question

yo individuals are __________.a feminized malesb masculine femalesc nonexistentd normal males

Explanation:

In humans, the Y chromosome is crucial for male development. The O here likely represents the absence of an X chromosome (as in a normal male it's XY). But an individual with only a Y chromosome (YO) is not viable because the X chromosome carries essential genes for survival. Such a combination (YO) does not exist in live - born humans.

Answer:

C. nonexistent