Answer:
During <u>fertilization</u>, chromosomes from haploid gametes combine, and a <u>diploid</u> zygote is formed.
Explanation:
Fertilization is the union of the male gamete(haploid chromosomes) with the female gamete(haploid chromosome) to form a diploid cell called zygote (with diploid chromosomes).
It differs due to the life cycle of each tree, and the very specific way the trees go.
The nucleus intructs cells to do their activities
Due to extreme (too much) cell division, a mutation of cells will occur and that is the cancer within humans.
