论文信息 - Recycling the Y Chromosome

Recycling the Y Chromosome

The Y chromosome is a rather peculiar component of the genome: It is diminutive in size, and contains few genes but many repetitive DNA sequences. As Graves points out in her Perspective, the meager size of the Y chromosome belies its fascinating evolutionary history. A comparison of the Y chromosomes of two fruit fly species (Carvalho and Clark) shows that Y chromosomes may have completely different origins, and may even be recycled onto non-sex chromosomes (autosomes).

J. Graves

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