+ Is aging genetic or is it wear and tear? Flashcards by A W | Brainscape

Q

Why do female mammals reach reproductive ‘senescence’?

A

Lack of oogenesis as adults
Arguing against ‘wear and tear’ -> aging appears to be a result of failing to replace worn out components

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Q

Aging in semelparous species:

A

Species including salmon
Aging follows a very specific, well-timed programme
Analogous to development
Great contrast to humans who age in a gradual manner

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Q

Evidence for genetic component of aging (MRDT):

A

MRDT is consistent in humans regardless of environment

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