Australian biologist about :The Amazing Shrinking Sex Chromosome

Australian biologist about :The Amazing Shrinking Sex Chromosome

Jennifer Marshall Graves, A australian biologist, might be most commonly known for the dire prediction: the human being Y chromosome, which makes men male, could vanish within the next 5 million years. Within the last 190 million years, the amount of genes from the Y has plummeted from a lot more than 1,000 to approximately 50, a loss greater than 95 per cent. The X chromosome, in comparison, appears strong at approximately 1,000 genes.

Media effect happens to be predictable, with overheated headlines proclaiming “Men on road to extinction.” But Graves, a biologist at Los Angeles Trobe University in Melbourne, records that 5 million years is really a time that is long a types such as ours, which can be just 200,000 years of age.

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