KVPY Sample Paper KVPY Stream-SX Model Paper-21

  • question_answer
    The diagram shows the inheritance of a form of breast cancer associated with the presence of just one allele of the autosomal gene BRCA 1.
    What is the probability that the woman X inherits the BRCA 1 allele associated with breast cancer?

    A) 0.00

    B) 0.25    

    C) 0.50

    D) 1.00

    Correct Answer: A

    Solution :

    Woman X will never inherit the BRCA 1 allele since her father has inherited only normal genes from his parents.

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