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The blue eye occurs within a white spot, where melanin is absent from the skin and hair (see Leucism). These species include the cat, particularly breeds such as Turkish Van, Khao Manee and (rarely) Japanese Bobtail. These so-called odd-eyed cats are white
Blue eyes are a highly sexually dimorphic eye color. Studies from various populations in Europe have shown that men are substantially more likely to have blue eyes than women. [18] The inheritance pattern followed by blue eyes was previously assumed to be a Mendelian recessive trait, though this has been
Type 1 is characterised by congenital sensorineural hearing loss, pigmentary deficiencies of the hair such as a white lock of hair in the front-centre of the head or premature greying, pigmentary deficiencies of the eyes such as different-coloured eyes (complete heterochromia iridum), multiple colours in an eye (sectoral heterochromia iridum) or brilliant blue eyes, patches of skin ...
The reason for this, is the pigment melanin, which also determines are hair and skin color. So melanin only really has one shade: brown! The more melanin you have in the iris of your eye, the ...
Inbreeding is also used to reveal deleterious recessive alleles, which can then be eliminated through assortative breeding or through culling. In plant breeding, inbred lines are used as stocks for the creation of hybrid lines to make use of the effects of heterosis. Inbreeding in plants also occurs naturally in the form of self-pollination.
Albinism is the congenital absence of melanin in an animal or plant resulting in white hair, feathers, scales and skin and reddish pink or blue eyes. [1] [2] Individuals with the condition are referred to as albinos. Varied use and interpretation of the terms mean that written reports of albinistic animals can be difficult to verify.
He defined nordique by a set of physical characteristics: the concurrence of somewhat wavy hair, light eyes, reddish skin, tall stature and a dolichocephalic skull. [14] Of six 'Caucasian' groups Deniker accommodated four into secondary ethnic groups, all of which he considered intermediate to the Nordic: Northwestern , Sub-Nordic , Vistula and ...
Miss Universe CEO Anne Jakrajutatip praised winner Victoria Kjaer Theilvig's blond hair and blue eyes. She said the Miss Universe brand didn't need to evolve because "we already got the best here ...