Question

What special type of cell makes boys and girls different?

Answer 1

Answer:

Biological sex in healthy humans is determined by the presence of the sex chromosomes in the genetic code: two X chromosomes (XX) makes a girl, whereas an X and a Y chromosome (XY) makes a boy. ... In normal meiosis, one primary spermatocyte ultimately becomes four sperm cells: X, X, Y, and Y.

Explanation:

Answer 2

Answer:

Biological sex in healthy humans is determined by the presence of the sex chromosomes in the genetic code: two X chromosomes (XX) makes a girl, whereas an X and a Y chromosome (XY) makes a boy. ... In normal meiosis, one primary spermatocyte ultimately becomes four sperm cells: X, X, Y, and Y