How to maintain gender equality through the sex chromosomes

Asymmetric sex chromosomes were independently shaped during evolution in many species, and different strategies evolved alongside to overcome the resulting imbalance in genetic information. Molecular biologist Marie-Line ...

Gene-editing used to create single sex mice litters

Scientists at the Francis Crick Institute, in collaboration with University of Kent, have used gene editing technology to create female-only and male-only mice litters with 100% efficiency.

Universal traits spotted in early evolution of sex chromosomes

Researchers from Tokyo Metropolitan University have identified unifying features in the early evolution of X and Y chromosomes. Newly evolved sex chromosomes in three fruit fly species showed the same genetic compensation ...

Highly dynamic sex chromosomes in cichlid fishes

The cichlids of Lake Tanganyika in Africa are highly diverse—including with regard to sex chromosomes. These have changed extremely frequently in the course of the evolution of these fish and, depending on the species, ...

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