OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type of genotype would result in having blue eyes, if B is dominant for brown eyes?
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BB
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Bb
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bb
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None of the above
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Explanation:
Detailed explanation-1: -Brown eye colour is dominant over blue eye colour. Therefore, for the brown-eyed parents having blue-eyed child, the possibility is that both have heterozygous genotype i.e. Bb.
Detailed explanation-2: -Phenotype shown as brown or blue while dominant brown gene = B and recessive blue gene = b Individuals with bb have blue eyes, while individuals with BB or Bb have brown eyes. Blue or brown describes only a portion of eye colour.
Detailed explanation-3: -If B is the allele for brown eyes and b is blue, the genotype of the blue-eyed man is bb.
There is 1 question to complete.