Eye color, Hair color, Blood types, and Other Traits

1 - 10 of 127 Answers

August 8, 2019: My brother looks almost exactly like my dad, but I don’t think I look anything like either of my parents. What determines how much I look like my parents?
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August 6, 2019: How accurate are blood typing tests? My husband and I have Rh- blood type, but we have an Rh+ child. (And I am 100% certain my husband is the father!)
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July 8, 2019: When I look up how many eye colors there are, I sometimes find the color amber listed as a distinct color. Are amber eyes really distinct from other shades of brown eyes? Do we know anything about the inheritance pattern of eye color beyond just brown, blue, or green?
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May 29, 2019: How can I figure out if I am a secretor or non-secretor? What does this mean in everyday life?
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February 15, 2019: How can two brown-haired parents have a blond child?
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November 29, 2018: Are long eyelashes a genetic trait?
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November 20, 2018: What is Rhesus factor? Did we get it from Rhesus monkeys? Can Rh factor be found in other animals?
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September 24, 2018: What causes heterochromia?
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August 17, 2018: If I'm happy a lot, is that a trait?
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July 31, 2018: What if my father had the trait for baldness and my mother didn't? What chance will I or my future offspring be carriers or have the trait?
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