A study published in Molecular Human Reproduction has found that fetal cells can migrate into a mother’s body during pregnancy and remain there for years, ...

A single DNA letter, inserted into a stretch of the genome that doesn’t code for any protein, was enough to turn genetically ...

Scientists discovered that making a very small change to female mice's DNA caused them to develop male reproductive organs.

Typically, female mouse embryos with two X chromosomes develop ovaries because a gene called Sox9 is suppressed. In male ...