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The historic dual cicada emergence continues across Illinois. As we come eye to eye with these insects, the revelation is prompting people to ask about the way these things look. Here are a few ...
Amber eyes have a beautiful, solid gold hue that never falters. Grey eyes make up about 3 percent of the world's population—the second rarest eye color. There are also rare cases of violet and ...
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.
Hazel eyes tend to change colors due to Rayleigh scattering—the same factor that makes the sky appear blue. This optical effect occurs in the stroma, which is a thin layer of tissue in front of ...
The inheritance pattern followed by blue eyes was previously assumed to be a mendelian recessive trait, however, eye color inheritance is now recognized as a polygenic trait, meaning that it is controlled by the interactions of several genes. [57] Blue eyes are predominant in northern and eastern Europe, particularly around the Baltic Sea.
Blue eyes are also found in parts of Western Asia, most notably in Afghanistan, Syria, Iraq, and Iran. [53] In Estonia, 99% of people have blue eyes. [54] [55] In Denmark in 1978, only 8% of the population had brown eyes, though through immigration, today that number is about 11%. [55] In Germany, about 75% have blue eyes. [55]
NBC Chicago reports, "Experts said blue-eyed cicadas have been seen before, but such sightings are rare. "One in a million," said Dr. Gene Kritsky, dean of Behavioral and Natural Sciences at Mount ...
Ojos Azules (Spanish: [ˈoxos aθˈules], 'Blue Eyes') was a breed of shorthaired [1] [2] domestic cat with unusual blue or odd eyes [1] caused by a dominant blue eye (DBE) genetic mutation. The breed came in all coat colors; however, only particolors ( bicolors and tricolors ), colorpoints , and intermediate colors with a characteristic white ...