Horse-breeding practices are the major driver of a loss of genetic diversity on the male Y chromosome.

Need to preserve genetic diversity of male horses featured in review – Horsetalk.co.nz

Image by Daron Herbert According to the researchers, modern horse populations have extremely low genetic diversity on the male Y chromosome, mainly due to the strategies of breeders. Scientists cautioned in a just-published review that examines the diversity of the horse’s Y chromosome. Irene Cardinali and her fellow researchers, writing in the journal Genoastated that …

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