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3 September, 16:56

What is the probability of a man and a woman having a family of 5 children and all 5 being boys?

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Answers (2)
  1. 3 September, 17:04
    0
    the probability is 1/32

    Explanation:

    The probability of producing a male (XY) is mostly determined by the male. the Y allele gives the characteristic male. While in the female, we have double X (XX). In reproduction the female contributes one of the alleles (X) and the male contributes either the X or the Y in each case.

    female X X

    male

    X XX XX

    Y XY XY

    XX = 1/2 XY = 1/2

    So that we can have 1/2 chance of producing a female and 1/2 chance of producing a male. Thus, the the probability of having a male in each occurrence is 1/2. Since this occurred 5 times, so we have 1/2 x 1/2 x 1/2 x 1/2 x 1/2 = 1/32.
  2. 3 September, 17:16
    0
    The probability is 1/32
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