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Impact of the caprine POLLED allele on horn status and the fertility of female (XX) and male (XY) goats.
| Genotype at the POLLED Locus | |||
|---|---|---|---|
| Genetic Sex | pp (Homozygous; Wild Type) | Pp (Heterozygous) | PP (Homozygous) |
| XX—female | horned/fertile | polled/fertile | polled/infertile—intersex (normal outer phenotype or “pseudo-buck” to variable degrees |
| XY—male | horned/fertile | polled/fertile | polled/fertility unclear |
