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Dutchess_III's avatar

Why do they track genetic mutations, or changes, back on the mother's line?

Asked by Dutchess_III (46807points) August 6th, 2021
3 responses
“Great Question” (0points)

Crash course please.

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zenvelo's avatar

Because Mitochondrial DNA, unlike nuclear DNA, is inherited from the mother, while nuclear DNA is inherited from both parents.

zenvelo (39407points)“Great Answer” (2points)
Zaku's avatar

… because an egg is a cell with mDNA in it, and the egg forms the zygote, while the sperm just combines its nuclear DNA to the egg.

Zaku (30353points)“Great Answer” (1points)
elbanditoroso's avatar

Only a woman can have a kid – and she can be impregnated by any number of men (and some do exactly that!).

The woman is the constant in the heredity equation. Men are interchangeable.

elbanditoroso (33145points)“Great Answer” (1points)

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