Iberian Genotype Samples
(Bronze Era)

Iberian Genotype Samples (Bronze Era)

  Because none of the horses showed a mutation in the Extension Allele (e) during the Neolithic/Copper Age on the Iberian Peninsula, the Iberian horse population in the Bronze Age was further behind in terms of genetic diversity than other populations at the time. As a result, the horse population still showed a fairly even split for Bay and Black horse phenotypes, with no emergence of new phenotypes. However, one of the Bay horses (24) finally showed a recessive mutation at the Extension Locus (e) allowing future generations on the Iberian Peninsula to form new phenotypes. 
    Similarly, none of the horse fossils showed any evidence of having the Overo (EDNRB), Tobiano (KIT13), Sabino (KIT16), Cream (MATP), or either variation of the Silver Gene (SILV9 and SILV11). This shows that the fossils had no variation to their base color.

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