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प्रश्न
Give any four significances of fertilization in humans.
उत्तर
- The secondary oocyte completes the process of oogenesis and is transformed into a mature ovum (n).
- The diploid chromosome number is restored in the zygote by the process of syngamy.
- The ovum lacks the centrioles necessary for further divisions, which are received from the sperm during fertilization.
- Fertilization involves the fusion of male and female gametes from the two parents. It results in variations that are significant to evolution.
- The sex of the offspring is determined.
Notes
Students should refer to the answer according to their question.
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संबंधित प्रश्न
Given below is a portion of the diagram to show the diagrammatic highly magnified view of a single human sperm. Complete the diagram to show its normal structure.
Name the following:
Organ producing sperms.
The following diagram represents the vertical sectional view of the human female reproductive system.
What happens to the uterus, if fertilization fails to take place?
The figure given below represents the female reproductive system of a mammal.
What will happen if the part B on both sides gets blocked?
What is fertilization? Name the site of fertilization in the human females.
Give Reasons
Gametes have a haploid (n) number of chromosomes.
Multiple choice question.
In human female, the fertilized egg gets implanted in uterus _______.
Explain the mechanism of fertilization in humans.
The enzyme involved in penetration of sperm into ovum is ______.
Sperms undergo the following changes in the epididymis EXCEPT ______
