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Bill Statler
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Males with no Y chromosome
Visit
Poke
Bill Statler
US,
Mon, 28 Nov 2022 20:11:36 -0800
Lukas VF Novak
wrote the following
post
Mon, 28 Nov 2022 13:12:17 -0800
Novel
#SexDetermination
mechanism revealed in mammals
https://phys.org/news/2022-11-sex-determination-mechanism-revealed-mammals.html
The
#AmamiSpinyRat
is an endangered rodent found only on
#Amami
Oshima,
#Japan
. It is one of just 4 mammals known to lack a Y chromosome. In the Amami spiny rat, the the Sry gene is completely absent; thus, the animal has evolved a novel sex-determining mechanism independent of Sry.
Link to source
Amami spiny rat. By Asato Kuroiwa.
https://scholar.social/users/animalculum/statuses/109423489052234993