When babies are born, their eyes and hair are one color, but change within the first few years of their life! Why do hair and eye colors change? Trace explains the process of inheriting certain traits from your parents, and discusses why the colors change!
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How are human eye colors inherited?
“Genes are structures that are carried on larger structures called chromosomes. The genes for each characteristic come in pairs, and the two genes together produce a given characteristic.”
New genes involved in human eye color identified
“Three new genetic loci have been identified with involvement in subtle and quantitative variation of human eye color.”
Blue-eyed Humans Have A Single, Common Ancestor
“New research shows that people with blue eyes have a single, common ancestor.”
Why Do Babies’ Eyes Start Out Blue, Then Change Color?
“While only 1 in 5 Caucasian adults have blue eyes in the United States, most are born blue-eyed.”
Hair Color
“Why does the hair color of children often change color as they grow older?”
Eye Color
“Why did the very blue eyes of a kid become brown when he grew up?”
Blue Eyes
“Just as the cerulean blue of a baby’s eyes fades over time, so does the blue sky as it stretches over the horizon – but two different scattering effects are responsible for the changes.”
How Vision Works
“Although small in size, the eye is a very complex organ.”
How Eye Color Develops
“The colored part of the eye is called the iris, which has pigmentation that determines our eye color.”
Baby’s Eye Color
“Get your fill gazing at those baby blues now, Mom, because there’s a chance they could become brown (or go green).”
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