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B chromosome |
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B chromosome Genetics A supernumerary–'extra' segment of DNA present in many species, which may be driven to self-duplicate, as BCs are transmitted at higher rates than otherwise expected from classic mendelian genetics How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In the mealy bug, for example, the B chromosome hitches a ride on those chromosomes that remain active whether offspring become male or female. |
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