What are the 2 main sources of genetic variation

mutations and re combinations of genes as a result of sexual reproduction.

hope this helps :)

mutation and recombination of Gene's

Explanation:

mutation is a parmanent change in DNA within a gene,some mutation could affect all cells in an organism,are inhereted from parent.other mutation develop during an organsim and occur in only some cells

recombination of Gene's occur as result of sexual reproduction

its d lol

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