Explain why it is important that the number
of chromosomes is halved when gametes are
formed.

When the male and female gametes combine in fertilization they create an embryo with the full complement of chromosomes

If these gametes had the same number of chromosomes as the parent does, each generation would have double the chromosomes as the previous generation did. To prevent that, meiosis occurs in the gonads--ovaries or testes.

Explanation:

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

click to let others know, how is it

mark brainliest and have a great day!