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Post by Toreador on May 17, 2023 9:29:43 GMT
The foetus doesn't start off as anything other than an organism with a set of chromosomes, it is the y-chromosome that determines male sex. That doesn't stop things like nipples or appendages remaining as part of the body, even reacting to stimuli; hair growth is another thing determined by the y-chromosome. I'd say it was more accurate to say that a foetus does have a sex, but that sex is not readily apparent until a certain stage of development. I think that's what I said. The major difference occurs when either the testicles or ovaries develop at some point after conception. |
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Post by Orac on May 17, 2023 9:46:54 GMT
I'd say it was more accurate to say that a foetus does have a sex, but that sex is not readily apparent until a certain stage of development. I think that's what I said. The major difference occurs when either the testicles or ovaries develop at some point after conception. Understood. It's one of those loopy urban myth type claims that is repeated on the BBC science page - that is, when they are not talking about the end of the world. Similar to the 'humans only use 10% of their brain' claim that was accepted currency for decades |
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Post by johnofgwent on May 17, 2023 21:36:51 GMT
I'd say it was more accurate to say that a foetus does have a sex, but that sex is not readily apparent until a certain stage of development. I think that's what I said. The major difference occurs when either the testicles or ovaries develop at some point after conception. the cells that form the cells that form the cells that form the cells that make the sex organs originate at the late blastula stage … about six to eight weeks … the point when emma’s prototype thorax failed to develop the cells that differentiate to form the diaphragm. And yes that was four degrees of indirection |
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