Chromosome

A medical report from June 2023 has emerged, casting doubt on the biological sex of Algerian boxer Imane Khelif. French journalist Djaffar Ait Aoudia shared the report, which was prepared by hospitals in Paris and Algeria, revealing that Khelif has a genetic condition known as 5-alpha reductase deficiency.

This morning, Prof. Alexey Savov, the head of the National Genetic Laboratory SBALAG "Maichin Dom" in Bulgaria, discussed the possibility of individuals with XY chromosomes developing as women. Speaking on Nova TV, he addressed the topic in the context of female boxers competing in the Olympics in Paris this year.

Scientists have created eggs using the cells of male mice for the first time, leading to the birth of seven mice with two fathers, according to research on March 15 hailed as "revolutionary."

According to a new study by a researcher at the Milner Centre for Evolution at the University of Bath contends that 'selfish chromosomes' are to blame for the early demise of the majority of human embryos. The discovery explains why human embryos frequently don't survive while fish embryos do not have repercussions for the management of infertility.