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Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye), a white forelock or patches of light skin.
Blue cone monochromacy (BCM) is an inherited eye disease that causes severe color blindness, poor visual acuity, nystagmus, hemeralopia, and photophobia due to the absence of functional red (L) and green (M) cone photoreceptor cells in the retina.
Hans Eiberg (born 8 April 1945) is a Danish geneticist, known for his discovery of the genetic mutation causing blue eyes.. Hans Eiberg graduated as a M.Sc. in 1970. He has worked with genetics at the Institute for Medical Biochemistry and Genetics of Copenhagen University since 1971, and became an associate professor at the institute in 1975.
All eyes are really brown. According to CNN , Dr. Gary Heiting, a licensed optometrist and senior editor of All About Vision explained why all human eyes are actually brown, no matter if they look ...
In contrast, mutations in the gene BAP1 are strongly linked to metastatic spread and patient survival. [17] Incidence of posterior uveal melanoma is highest among people with light skin and blue eyes. Other risk factors, such as blue light exposure and arc welding, have been put forward, but are still debated in the field.
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
Declaring such an emergency would allow Trump to utilize the military to secure the border and help with his plan to deport violent criminal foreign nationals in the U.S. illegally.
P protein, also known as melanocyte-specific transporter protein or pink-eyed dilution protein homolog, is a protein that in humans is encoded by the oculocutaneous albinism II (OCA2) gene. [5] The P protein is believed to be an integral membrane protein involved in small molecule transport, specifically of tyrosine —a precursor of melanin .