Answer: because all planets move
Explanation:
Answer:
1. sperm cell
2.testicles
3.egg
4.ovary
5.fertilization
6.fertilized egg = foetus
Explanation:
Answer:
They are made of protein and one molecule of deoxyribonucleic acid (DNA). As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent.
(Assuming that this is about chromosomes)
A male has an XY combination in his chromosomes.
