World Record Raven Nest » Common Raven ready-to-fledge juvenile blue eyes nr Esko Carlton Co MN IMG_0036568
May 28, 2011
Sparky Stensaas
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May 28, 2011
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1 responses to “Common Raven ready-to-fledge juvenile blue eyes nr Esko Carlton Co MN IMG_0036568”
Yer Stanier
March 11th, 2013 at 18:08
Variation in the colour of the eyes from brown to green can all be explained by the amount of melanin in the iris, but blue-eyed individuals only have a small degree of variation in the amount of melanin in their eyes. “From this we can conclude that all blue-eyed individuals are linked to the same ancestor,” says Professor Eiberg. “They have all inherited the same switch at exactly the same spot in their DNA.” Brown-eyed individuals, by contrast, have considerable individual variation in the area of their DNA that controls melanin production.’
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