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Male mice grow ovaries instead of testes if they are missing a small region of DNA that doesn't contain any genes, finds a new paper published in Science.
The study, led by researchers at the Francis Crick Institute, could help explain disorders of sex development in humans, at least half of which have an unknown genetic cause.
Mammals will develop ovaries and become females unless the early sex organs have enough of a protein called SOX9 at a key stage in their development. SOX9 causes these organs to become testes, which then direct the rest of the embryo to become male.
Sex reversal following deletion of a single distal enhancer of Sox9 (DOI: 10.1126/science.aas9408) (DX)
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Non-Coding DNA Changes the Genitals You're Born With
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A Smith & Wesson beats four aces.
(Score: 1, Insightful) by Anonymous Coward on Wednesday July 04 2018, @09:32AM (4 children)
So what? From the point of view of the individual, there's nothing wrong with not procreating if you don't want to.
And from an evolutionary standpoint, it is a boon if those who don't want to procreate don't procreate.
(Score: 2) by Bot on Wednesday July 04 2018, @12:27PM (2 children)
> there's nothing wrong with not procreating if you don't want to.
A corner case, which does not explain all the fuss about adoption by same-sex couples.
Account abandoned.
(Score: 2) by maxwell demon on Wednesday July 04 2018, @07:19PM (1 child)
Adoption is not procreation.
The Tao of math: The numbers you can count are not the real numbers.
(Score: 2) by Bot on Wednesday July 04 2018, @08:37PM
It is the closer thing when you can't procreate. Inability which is a temporary condition, sure. In case in-vitro birth became doable without fuss and without manipulation of genetic material to produce a docile meatbag, the whole problem would cease AFAIC.
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(Score: 0) by Anonymous Coward on Wednesday July 04 2018, @08:09PM
Wrong. The more intelligent and/or educated a person is, the less they're interested in procreation. To the point that two uni grads have less then 2 children on average in most countries and globally. So, give it a few years and you end up with a net reduction in intelligence.
The reason is pretty simple: Raising kids is time demanding and difficult and only extraordinary means can alleviate some of the difficulties. So, smart people see no gains and only risk, and slap on a condom. Stupid people just boink away fearing skyfather will zap them dead and roast their non-alcoholic spirits for eternity.
A few generations later, everyone are idiots and religions. So, as it turns out, the bible thumpers were right, education is evil and the meek shall inherit the earth. Yay to statistics!