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How would several generations of children created with barely viable eggs affect us as a species?

The editor — Fri, 13 Aug 2010 09:07:23 +0000

Eric B asked:

Isn’t it amazing that a woman is born with every egg that they will ever have…!!?

I've often wondered if the recent trend to wait until later in life to have kids could eventually lead to the collapse of our gene pool.

Their is a big difference between an 18 year olds eggs and a 36 year olds. Especially when you factor in the toxicity of our current environment. Suppose this practice of waiting until the mid to late thirties became the norm..

How would several generations of children created with barely viable eggs affect us as a species?

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How genes carry inherited information from one generation to another?

The editor — Sun, 20 Jun 2010 04:13:16 +0000

spirica4you asked:

via the process of meiosis, leading to gamete formation, and through fertilisation

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Because of meiosis and fertilization, each generation will have the same number of ________ ?

The editor — Sat, 12 Jun 2010 00:07:59 +0000

Tanya asked:

Also, could you help me with these as well as the above, ->

2. The process of DNA replication is necessary before a cell ________ .
3. For a mutation to pass on to offspring, it must occur in a ______ cell.
4. Inbreeding (mating closely related organisms) may lead to species extinction because it reduces _______ ________.

Which of the following processes leads to the generation of ATP during fermentation?

The editor — Mon, 01 Feb 2010 13:03:12 +0000

paola_uranga asked:

1. photophosphorylation
2. oxidation of NADH
3. substrate-level phosphorylation
4. chemiosmosis
5. electron transport

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