The genetic variation within a species: gene pool or genetic diversity

I think it’s genetic diversity

genetic diversity

Explanation: it’s the differences in DNA segments or genes between individuals and each variation of a gene is called an allele

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.