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Polygenic phenotypic trait
- Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
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Is eye color a polygenic phenotype?
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Aug 23, 2021 · Research with twins is a powerful tool in determining heritability. Heritability is the proportion of phenotypic variation in a population that is attributable to genetic variation among individuals. Many eye diseases and measures of ocular biometry, including eye colour (Fig. 8 ), have high heritability [ 17 ].
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Eye (Lond). 2022 Apr; 36(4): 704–715. ... Diagram with...
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Eye colour and colour perception are excellent examples to...
- PMC Free Article
Genes and Photopigments. In 1986, Nathans and colleagues...
- Fig. 15
Aug 23, 2021 · Eye colour, or more correctly iris colour, is often used as an example for teaching Mendelian genetics, with brown being dominant and blue being recessive. Colour blindness...
- David A. Mackey, David A. Mackey
- D.Mackey@utas.edu.au
- 2021
Eye colour, or more correctly iris colour, is often used as an example for teaching Mendelian genetics, with brown being dominant and blue being recessive. Colour blindness Daltonism, “ ” which...
- David A. Mackey, David A. Mackey
- 2021
Mar 16, 2015 · Key Concepts. Variation in eye colour is polygenic, with seven major genes explaining 75% of European population variance. Blue eye colour is strongly predicted by a single nucleotide polymorphism near the OCA2 gene – this is the classical recessive gene inferred from family data.
- David Duffy
- 2015
Apr 7, 2011 · Multiple genes and polymorphisms have been found to be associated with variation in human pigmentation. Their analysis enables prediction of blue and brown eye colour with a reasonably high accuracy.
- Ewelina Pośpiech, Jolanta Draus-Barini, Tomasz Kupiec, Anna Wojas-Pelc, Wojciech Branicki
- 2011
Science. Biology questions and answers. In a particular species of moth, eye colour is controlled by a gene that exhibits genetic maternal effect. At this gene locus, the dominant allele N codes for brown eyes and the recessive allele n codes for red eyes.
Aug 10, 2023 · Eye color is a polygenic phenotype, and many genetic variants have been highlighted, with the major contributor being the HERC2-OCA2 locus, where many single nucleotide variations (SNPs) were identified.
