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Dark hair is the dominant gene over red hair. Your mom obviously had one recessive allele for red hair and the dominant allele for dark hair so she showed up with dark hair. Your father would have to have had two recessive genes for red hair which means you have one dominant and one recessive allele. If your partner carries the recessive allele for red hair, (it didn't show up,) there is a 25% chance that your child will have red hair and a 75% chance that your child will have dark hair. If your partner has two dominant alleles for dark hair your child will have dark hair. If your partner has the recessive allele for another color like blond, there is a 75% chance for dark hair and a 25% chance for a mix of red and the other color. (Maybe strawberry blond.)

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15y ago
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13y ago

You need to know what the hair color genes for the mother are, but there are only 3 possibilities.

If the mother has red hair as well = 100%

If the mother has any other hair color but is a carrier of the gene for red hair = 50%

If the mother has any other hair color and is not a carrier = 0%

* If one of the mothers parents had red hair then she is a carrier. If not only genetic testing can tell you because the gene is recessive and could stay hidden for generations.

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14y ago

it would be the color of the person who has stronger genes of that color hair

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13y ago

My mom has red hair and my father has black hair, I ended up with dark blonde hair..

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15y ago

50% 50% 50% 50%

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14y ago

50%

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Q: If you have red hair and your husband has dark brown hair your two brothers and grandmother have red hair his family has no redheads what is the chance you will have a red head kid?
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