Human egg cells are imperfect too often

Researchers found that human oocytes contain an unbalanced number of chromosomes around 7% of the time.

This suggests that improper meiosis is surprisingly common, regardless of a mother’s age.

#biology #genetics #meiosis #cellbiology

Figure below: Human karyotype with colour added to distinguish chromosome pairs.

https://cosmosmagazine.com/science/biology/human-egg-cells-are-imperfect-too-often/