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Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between blue- eyed woman and brown-eyed male who had a blue-eyed mother are likely to be :-
  • a)
    all blue-eyed
  • b)
    three blue-eyed and one brown-eyed
  • c)
    all brown-eyed
  • d)
    one blue-eyed and one brown-eyed
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Blue eye colour in human is recessive to brown eye colour. The expecte...
According to the law of dominance, a trait is represented by two contrasting factors of a gene in a heterozygous individual; the allele/factor that can express itself in a heterozygous individual is called as a dominant trait. The other factor whose effect is masked by the presence of dominant factor is called recessive factor. Since blue eye colour is recessive to brown eye colour, the genotype of blue eyed woman will be “bb”. Since brown eyed man had blue eyed mother (bb); he must have inherited one copy of “b” allele from the mother and thus is heterozygous brown eyed (Bb). A cross between blue eyed woman (bb) and heterozygous brown eyed man (Bb) will produce blue eyed and brown eyed children in 1:1: ratio. A cross between two pure breeding organisms obtains uniform F1 generation; here father is not pure breeding. Recessive individuals never outnumber the dominant one. 
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Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between blue- eyed woman and brown-eyed male who had a blue-eyed mother are likely to be :-a)all blue-eyedb)three blue-eyed and one brown-eyedc)all brown-eyedd)one blue-eyed and one brown-eyedCorrect answer is option 'D'. Can you explain this answer?
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Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between blue- eyed woman and brown-eyed male who had a blue-eyed mother are likely to be :-a)all blue-eyedb)three blue-eyed and one brown-eyedc)all brown-eyedd)one blue-eyed and one brown-eyedCorrect answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between blue- eyed woman and brown-eyed male who had a blue-eyed mother are likely to be :-a)all blue-eyedb)three blue-eyed and one brown-eyedc)all brown-eyedd)one blue-eyed and one brown-eyedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between blue- eyed woman and brown-eyed male who had a blue-eyed mother are likely to be :-a)all blue-eyedb)three blue-eyed and one brown-eyedc)all brown-eyedd)one blue-eyed and one brown-eyedCorrect answer is option 'D'. Can you explain this answer?.
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