Question

Which diagram below illustrates fertilization what would lead to development of a normal human female?

Answer 1

Answer:

1. X + X

Explanation:

The sperm and the egg each carry half of the DNA for the zygote (which is one cell that eventually becomes a baby).

A normal human male has the sex chromosomes XY

A normal human female would have XX

If the Y chromosome is present, the result is a male.

If there either more or less than 2 sex-chromosomes, there is usually some sort of abnormality, like delayed development or the inability to mature and reproduce.