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A human ovum is released on the 14th day...

A human ovum is released on the 14th day of menstrual cycle.
a. What happens to the ovum if it is fertilised by a sperm?
b. Where does the fertilisation occur?
c. What will happen to the Graafian follicles if the ovum is fertilised?

Text Solution

Verified by Experts

a. Ovum becomes zygote
b. Anterior part of the oviduct.
c. Forms corpus luteum and secretes progesterone
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A -Ovulation is the release of ovum from the Graafian follicle. R -It occurs during the follicular phase of the menstrual cycle.

NEW JOYTHI PUBLICATION-HUMAN REPRODUCTION -NEW EVALUATION
  1. Copy the diagram. Identify and label any five parts.

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  2. During ovulation only one ovum is produced. But doing one ejaculation ...

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  3. Find out the correct sequence from below. a. Fertilisation to zygote...

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  4. The ovum is surrounded by four membranes. How can a sperm enter and fu...

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  5. Observe the diagrams and answer the questions that follow. a. Giv...

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  6. During cleavage of the mammalian zygote, the resultant blastomeres bec...

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  7. A human ovum is released on the 14th day of menstrual cycle. a. Wha...

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  8. A connection between foetal membrane and uterine wall is known as plac...

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  9. The germ layers are given. Complete the organs derived from the germ l...

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  10. A woman has conceived and implantation occurred within her uterus. Dis...

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  11. A fertilised egg is a blue print for future development. Justify the s...

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  12. Amnion is an effective shock absorber. Comment on it.

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  13. First trimester of pregnancy is critical. Give reason.

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  14. Find the odd one out in each group and justify. a.Vasa efferentia, e...

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  15. Observe the diagram. a. Where is this event taking place? b. Wr...

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  16. Change in nucleus, acrosome formation, changes in mitochondria, centri...

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  17. The relaxin secreted by placenta relaxes the pubic ligaments during pa...

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  18. Observe the flowchart showing the hormonal control of Menstrual cycle ...

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  19. The diagram of human blastocyst is given below . a.Identify A and...

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  20. A concept map showing the filtration between glomerulus and Bowman's c...

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