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YY is a common mutation and doesn't cause much noticeable change in a female. Most never know
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Y to X - Ultimate Gender Swap?
Started by
Hogbobson
, Jun 17 2013 10:58 PM
#21
Posted 23 October 2013 - 12:35 AM
SG-1
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#22
Posted 23 October 2013 - 12:57 AM
Futurist
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YY is a common mutation and doesn't cause much noticeable change in a female. Most never know
I think you mean XY. Currently, AFAIK, human beings with YY chromosomes cannot survive (for very long, at least).
#23
Posted 23 October 2013 - 04:19 PM
Lily
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^ That's the way I remembered it too. The Y chromosome is smaller than the X, and its major purpose is to define and "kickstart" the development of male features and, I think, most of its genes are responsible for sperm production. As far as I know, there are biological mechanisms that cause the X chromosome to be able to compensate for their missing "partner" chromosome, so that males aren't impaired by the lack of a second X. In females, the second X is mostly "shut down", so that naturally, only one X is responsible for the genes it carries.
I'm sorry if it's a bit vague, but I can't explain it better in English. I guess there are more knowledgeable folks on here that can do a better job at it.
"All scientific advancement due to intellegence overcoming, compensating, for limitations. Can't carry a load, so invent wheel. Can't catch food, so invent spear. Limitations. No limitations, no advancement. No advancement, culture stagnates. Works other way too. Advancement before culture is ready. Disastrous."
There's definitely truth in that...
#24
Posted 23 October 2013 - 04:48 PM
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Maybe I was wrong. Sex chromosome mutations are real and sometimes not harmful. Maybe I was thinking of Y0 only one Y chromosome. Can't remember what my professor said exactly
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#25
Posted 23 October 2013 - 06:04 PM
FutureOfToday
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I was taught in biology at school that (currently) it is impossible for a child to be born with YY chromosones. It's either XX or XY.
#26
Posted 25 October 2013 - 03:25 AM
Zeitgeist123
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im curious as to why is that? was there ever any experiments done to create a mammal close to only YY chromosomes?
“Philosophy is a pretty toy if one indulges in it with moderation at the right time of life. But if one pursues it further than one should, it is absolute ruin." - Callicles to Socrates
#27
Posted 25 October 2013 - 03:44 AM
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XYY, XXY, XYYY and Incomplete Y on XY.
That's from Wikipedia, but I thought I remembered him saying Y0 is possible.
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