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Human Reproduction question

2013 · Q13
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Human Reproduction question

2013 · Q13

NEETBiologyHuman ReproductionMCQ+4 / −1
In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans.
  1. A
    Due to some defect like aspermia in man
  2. B
    Due to the genetic make up of the perticular sperm which fertilizes the egg
  3. C
    Due to the genetic make up of the egg
  4. D
    Due to some defect in the women
View written solutionFree

Correct answer: B

In case of humans, the sex determining mechanism is XY type. Out of 23 pairs of chromosomes, 22 pairs are exactly same in both males and females called autosomes. A pair of X-chromosomes present in the female, whereas the presence of an X and Y chromosome are determinant of male characteristic. In case the ovum fertilises with a sperm carrying X-chromosome the zygote develops into a female (XX) and the fertilisation of ovum with Y-chromosome carrying sperm results into a male offspring

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