Eyecoloris a polygenic phenotypic trait determined by two factors: the pigmentation of theeye's iris[1][2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.[3]: 9. Aug 9, 2025 ·While browneyesare common ingoats, blue eyes are considered a dominant trait, and somegoatseven have eyes that are a mix of brown and blue. Interestingly, somegoatshave one blue eye and one brown eye, a phenomenon controlled by differentgeneticmarkers.
ANGORA WHITE completely white, covers even dominant black.Goatswith one dose can have small spots of color. Nov 22, 2024 ·Information on Nigerian Dwarfgoatcolorpatterns,eye, polled, and wattlegenetics, moon spots, and more! Goatsare also known for shiftingcolors- much more so than rabbits or cavies. Some of thegenes(like ticked described below) definitely seem to cause color to change with age.
And both eumelanin and phaeomelanin can change intensity with sunlight -- just like you getting a tan. Thegeneticcontrol ofcoloringoatsis complicated, but can be broken down into components that are fairly easily understood. Confusion usually comes from not realizing that finalcoloris the result of the interaction of several different components.
As you know, eachgoathas two parents, a dam and a sire. For these examples, a browneyedgene will be identified as b, and a blue-eyedgene will be identified as B. Each parent gives ONE gene foreyecolorto each kid, either a brown gene (b) or a blue gene (B).
Feb 20, 2024 ·Using the Mendelian Punnett Square, we can calculate the possibilities of blue or non-blueeyes, wattles or non-wattled, and polled or horned. We can also determine if the ears will be gopher, elf, or erect. I bred dairygoatsfor over 40 years, but this is the first time I have come across a question on thegeneticsofeyecolor.
If the blue factor is found primarily in ND's, my guess is that it is a recessive and probably not show up in a cross, at least in the first generation. GoatEyeColorGenetics. Update onGoatEyeProblems |Eyesproblems,Goats,Goatkidding.
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