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There is evidence that as many as 16 different genes could be responsible for eye color in humans; however, the main two genes associated with eye color variation are OCA2 and HERC2, and both are localized in chromosome 15. [10] The gene OCA2 (OMIM: 203200), when in a variant form, causes the pink eye color and hypopigmentation common in human ...
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Eye color, specifically the color of the irises, is determined primarily by the concentration and distribution of melanin. Although the processes determining eye color are not fully understood, it is known that inherited eye color is determined by multiple genes. Environmental or acquired factors can alter these inherited traits. [7]
What Is the Most Common Eye Color? On the other hand, brown is the most common eye color. According to the American Academy of Ophthalmology (AAO) , more than half of all people have brown eyes!
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...
An example of the Landolt C eye chart (also known as the Japanese eye chart.). Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision, while the ETDRS chart is designed for use at 4 meters. [16]
The meaning is "Russian" in the cultural and historic (Old East Slavic: рускъ, ruskʺ; Old Belarusian: руски, ruski; Russian: русский, russkiy) but not national sense (Russian: россиянин, rossiyánin), a distinction sometimes made by translating the name as "White Ruthenia", although "Ruthenian" has other meanings as well.
Even some rarely used names and/or adaptations were used and they survived in family names. Here's a list of most common modern (1800s) and older notable Russian given names. Since most of the current names are of foreign origin, names that have a common English spelling which sounds similar to the Russian are sometimes anglicized.