Question

help pls its urgent!!!!!

Answer 1

Answer:

Fertilization, the penetration of an egg by a sp3rm, occurs in the oviducts. This is the main event of s3xual reproduction and determines the genetic constitution of the new individual. Human s3x determination is a genetic process that depends basically on the presence of the Y chromosome in the fertilized egg.

Explanation:

Sorry if this doesn't help.

Answer 2

The answer is gene
Explanation:
Humans have 23 pairs of chromosomes, 46 in all: 44 autosomes and two chromosomes. Each parent contributes one chromosome to each pair, so children get one-half of their chromosomes from their mothers and one-half from their fathers. Process of making copies of a specific piece of DNA, usually a gene.