Low iron levels can flip the genetic switch on a mouse's sex during development, causing XY embryos to grow female features.

For decades, scientists have known that platypuses and echidnas – Australia’s unique egg-laying mammals – have another ...

Developmentally expressed genes play a fundamental role in the formation of a wide range of organs. The Y chromosome-located ...

Researchers show maternal iron levels can override genetic sex determination in mice.

One-size-fits-all hats are okay, but one-size-fits-all medical treatments don't cut it. A new study shows that drug treatment ...

In a science first, an environmental factor is shown to alter sex development in mice before birth.

Intersex - which occurs in 1-2% of the population - refers to a condition in which individuals have sex characteristics that ...

Ginger cats have always stood out, not just because of their bright orange coats, but because they are mostly male. For years ...

A breakthrough study has revealed that iron deficiency in mothers can trigger sex reversal in male mice embryos.

Scientists have discovered that a lack of iron in pregnant mice can alter the sex development of embryos, challenging ...