Besides the obvious similarity as heads-of-state, all three had red hair. Hair color ranges from platinum blond to ebony, due to levels of pigments produced by specialized cells called melanocytes. Those with dark hair have cells that produce a pigment called eumelanin, and those with blond or red hair have cells that produce pheomelanin. A complete absence of both pigments leads to white hair color. If the MC1R gene is active, it produces eumelanin and a person will have darker skin and hair.
Redheads: The Genetics of Hair Color
Redheads: The Genetics of Hair Color - Owlcation
A couple has three children, all of whom have brown eyes and blond hair. Both parents are heterozygous for brown eyes Bb , but one is blond rr and the other is a redhead Rr. What is the probability that the next child will be a brown-eyed redhead? Explain biogeochemical cycle!
Worldwide, red hair is quite rare — only 1 in people are redheads! And a lot of people wonder about the chances that their children will be in that group. We do know quite a lot about how red hair is inherited — but some of the details still need to be figured out! We will start with a mostly-true answer first, and then we can get into more complex details. As you might have heard, you inherit genetic information from each of your parents.
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