Answer:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Explanation:
Hope this helps.
Hi!
I think the answer is A
I hope that u an dight
It would be a young puppy learns to beg for food by watching a older dog
any sort of ancient fossil would be my quess. also i am on achallenge to see how many friends i can get on brainly so pls friend me