Egg or sperm? Scientists identify a gene that makes the call
WASHINGTON Providing insight into the sometimes mysterious biology of reproduction, researchers in Japan have identified a gene that controls whether the reproductive precursor cells known as germ cells eventually become sperm or eggs. The scientists …
Scientists find first sex-determining “gene switch” in vertebrates
Sperm or egg? 'Genetic switch' determines germ cell fate
To be sperm, or not to be sperm?