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Originally Posted by niviene
Well, since the X chromosome is the one required to survive... But, a few anthropology courses many years ago don't make me an expert on the subject. Only the strings of what I remember..
Here is an interesting article - who knows how accurate this is, but it's an interesting thought on the "sunset clause" on the Y chomosome.
http://www.abc.net.au/rn/talks/8.30/...ies/s73264.htm |
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Chromosomal conditions involving the sex chromosomes often affect sex determination (whether a person has the sexual characteristics of a male or a female), sexual development, and the ability to have children (fertility).
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I always believed in that. There is strong evidence of that today in many species.
I read that article and I always believe that males would disappear of the face of the planet and would be the first to become infertile, like the article said. That's very sad. I always thought that it would be a good idea to preserve genes from the oldest humans found like cave men in order to some how fix problems when they arise in the future because of the genes inability to stay potent against time. That article really made me sad and told me what I always knew. Even though I will not be around to see that happen it still is quite sad.
The females have 2 x chromosomes and the male has a x and y. So there is a total of 3 X chromosomes if they are combined and the female has the most X chromosomes which is why their genes count more and in the end and the same reason why males will become obsolete. I still have my question.
In the end it is the female who provides the most genes to an offspring. Correct?
This is all very interesting. I always saw women/female species as being far more developed than men/male species and much more refined in every way. Superior in many ways.
Can someone tell me what the future of reproduction is? Will females evolve in order to reproduce asexually.
The article said the causes of the Y chromosone disappearing are evironmental factors, chemicals and other things.
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The cause in the real sense of it will be many of the environmental factors, that's for certain. Because we know that we can induce mutations dramatically in animals by exposing them to specific compounds. Now lower or not so severe mutation rates will occur under exposure to all sorts of other chemicals. So as we raise some of these chemical levels, and pesticides have been a concern. Organopesticides have been a real concern for us, and I think the mutations will move up, they will quicken up. This is the opposite of course to genetically modified organisms, we probably need them in more quickly than the society really thinks, to protect us.
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I strongly agree with this hole article not just this part. If the source of the problem is known and this is happening NOW why isn't anyone doing something about it in order to allow the Y chromosone to fix itself and restore balance between repair and damage.
