Respuesta :

Answer:

An egg or sperm only has half of the parent's s!x chromosome pair. An egg will always have an X chromosome, since the woman's s!x chromosome pair only has Xs. Sperm can have either an X chromosome or a Y chromosome. If a sperm with an X chromosome fertilizes the egg, the new cell will have two X chromosomes.

KimmyCh
The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.

Otras preguntas