资讯

Earth.com1 天
Platypus and echidnas break mammal rules with weird sex system
University of Adelaide researchers discovered monotremes use a completely different sex determination system than other ...
Earth.com7 天
The Y chromosome is disappearing, and this fact is already causing problems for men
Two X chromosomes mean girl, and an X paired with a Y means boy. For the last 300 million years, this system has worked very ...
In most mammals, one gene determines sex. But 100 million years ago, platypuses and ...
For decades, scientists have known that platypuses and echidnas – Australia’s unique egg-laying mammals – have another ...
Monotremes use a unique sex gene unlike those in other mammals
Researchers from the University of Adelaide, in collaboration with the University of Melbourne, University of Queensland and ...
Interesting Engineering on MSN15 天
Iron deficiency in mothers silences key sex gene, causes male-to-female reversal in mice
A breakthrough study has revealed that iron deficiency in mothers can trigger sex reversal in male mice embryos.