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Uncovering the Secrets of the X Chromosome Scientists expose the X chromosome's complete genetic sequence. New research shows how the X and Y chromosomes evolved from a pair of regular chromosomes 300 million years ago.
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Uncovering the Secrets of the X Chromosome

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Uncovering the Secrets of the X Chromosome

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Uncovering the Secrets of the X Chromosome

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Uncovering the Secrets of the X Chromosome

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Scientists expose the X chromosome's complete genetic sequence. New research shows how the X and Y chromosomes evolved from a pair of regular chromosomes 300 million years ago.