Select all which apply: Mutations:

1. Are Random
2. Delete Genes from the gene pool
3. Add genes to the gene pool
4. Are changes in an organism's DNA
5. Are rare occurrences

i think it's c

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!

"do a testcross with a homozygous recessive plant."