GENETICS AND EVOLUTION
GENETIC BASIS OF INHERITANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Black hair is dominant to blonde hair which is recessive. What is the phenotype for the following genotype? bb
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Blonde hair
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black hair
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brown hair
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None of the above
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Explanation:
Detailed explanation-1: -Black hair (B) is dominant over blonde hair (b); similarly brown eyes (H) are dominant over eyes(h).
Detailed explanation-2: -A dark haired parent and a light haired parent will often have a child with a color in between. Black + Blonde = Brown!
Detailed explanation-3: -The genotype for black hair color is represented by the letter “B The genotype for blonde hair is represented by the letter “b.” You inherit two black alleles for hair color. You are considered for hair color: Homozygous recessive Homozygous dominant Hemizygous Heterozygous.
Detailed explanation-4: -Genome is referred to the genetic material that is passed on to the generations. Blonde hair is a rare human phenotype.
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