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Science News for December 27, 1999


Why cats are seXY

Researchers compare gene order on X and Y chromosomes of humans, cats, and mice, finding that cats and humans have similar gene orders on both chromosomes. A small block of genes with preserved order and spacing was discovered in mouse, cat, and human, suggesting an important function in male reproductive fitness.

SourceCold Spring Harbor Laboratory·JournalGenome Research·DateDec 27, 1999