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Beetle Mania

a beetle

A study by two UTA biologists has yielded a new theory about why some species lose their Y chromosome. Doctoral candidate Heath Blackmon and Associate Professor Jeffery Demuth studied genetic information from more than 4,000 beetle species. Their “fragile Y hypothesis” purports that the Y chromosome is heavily influenced by how meiosis (the production of sperm) works in an organism. Previous studies have attributed Y chromosome loss to the lesser importance of genes that the chromosome carries. Researchers study the evolution of these chromosomes to learn more about human evolution and disease.

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