What are the 2 main sources of genetic variation

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

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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

Lipids can also be broken down into their components(hydrolysis). Reason 1, When you eat fats, they are broken down by your digestive system and turned into products that can be used for other functions. Reason 2, When the body has run out of quick energy, and needs to tap into stored energy.

Explanation: