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It is evident that it is the genetic mak...

It is evident that it is the genetic make up of sperm that determines sex of child in human Substantiate

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Human male produces two types of sperms 50% with X-chromosome and 50% with Y-chromosome, so is heterogametic. Human female produces only one type of ova, each having X-chromosome so is homogametic. If X-containing sperm fuses with ovum, then female baby is born, but if Y-containing sperm fuses with ovum, then male baby is born.
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The gametes of female determines the sex of a child in :

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The chromosome that determines the male sex in human is called :

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MODERN PUBLICATION-HUMAN REPRODUCTION-REVISION EXERCISES (SHORT ANSWER TYPE QUESTION (A)QUESTIONS FROM STATE BOARD EXAMINATIONS)
  1. Why doctors recommend breast feeding during initial period of infant g...

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  2. (a) in which part of human female reproductive system, following event...

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  3. It is evident that it is the genetic make up of sperm that determines ...

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  4. Mother's milk is considered essential for new born infants. (a) Name t...

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  5. How is placenta formed?

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  6. What is menstrual cycle ? Name any two stages of menstrual cycle.

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  7. What is first milk which comes out from mother's mammary gland called ...

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  8. What is fallopian tube? Write its function.

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  9. What is parturition? Mention two hormones that induce contraction of u...

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  10. What are Leydig's cells? State their function.

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  11. Enlist the differences between follicular phase and luteal phase of me...

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  12. Draw a well labelled diagram of a human sperm.

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  13. Write any two differences between morula and blastula.

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  14. Draw a well labelled diagram of human sperm.

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  15. What is placenta ?Give its functions ?

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  16. What is corpus luteum? What is its functions?

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  17. Draw a labeled diagram of a section through ovary.

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  18. Explain the role of LH.

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  19. What do you understand by capacitation of sperms?

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  20. How is seminal plasma formed? Write one function of seminal plasma

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