Which of the following statements about sex determination is correct? At fertility

Biology WAEC 1999

Which of the following statements about sex determination is correct? At fertility

  • the probability of male to female offspring is 1/2 checkmark
  • the Y chromosome of the father decreases the probability of having a male child to 3/4
  • the xx chromosome of the mother decreases the probability of having a female child to 3/4
  • the vigour of either parents determines the sex of the offspring

The correct answer is: A

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