Xiphophorus
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Related Articles from SNS
Two melanic pigment patterns are associated with a sex chromosome-linked oncogene in the mountain swordtail Xiphophorus nezahualcoyotl
Sex-linked traits are widespread, but their genetic architecture has been challenging to characterize, due in part to the repetitive and structurally complex nature of sex chromosomes. In swordtails and platyfish of the genus Xiphophorus, diverse melanic pigmentation patterns are thought to be controlled by a region on the sex chromosomes classically referred to as the "macromelanophore determining locus". Despite nearly a century of study, the identity of the causal gene remains...