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In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans
Options
(a) Due to the some defect in the women
(b) Due to some defect like aspermia in man
(c) Due to the genetic make up of the particular sperm which fertilises the egg
(d) Due to the genetic make up of the egg
Correct Answer:
Due to the genetic make up of the particular sperm which fertilizes the egg
Explanation:
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 chromosomes are determinant of male characteristic. In case of 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.
Related Questions: - Both, hydrarch and xerarch successions lead to:
- Organisms, which have cells but no distinct nucleus, are
- How many of the above statements are correct about reproduction?
- Signals for parturition originate from
- Haematuria is
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Both, hydrarch and xerarch successions lead to:
- Organisms, which have cells but no distinct nucleus, are
- How many of the above statements are correct about reproduction?
- Signals for parturition originate from
- Haematuria is
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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