| http://www.w3.org/ns/prov#value | - We found that genes on the Y chromosomes have already started to undergo genetic degeneration, despite their relatively recent origin, said Josh Hough from U of T's department of ecology & evolutionary biology.The sex chromosomes in Rumex hastatulus are particularly interesting because of the recent emergence of a new sex chromosome system, in which some males carry a second, even younger, Y chrom
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