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प्रश्न
Match the pair:
| 'A' | 'B' | ||
| (1) | Male | (a) | 44 + XX |
| (b) | 44 + XY | ||
| (c) | 44 + YY |
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उत्तर
| 'A' | 'B' | |
| Male | (b) | 44 + XY |
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संबंधित प्रश्न
Give the significance of fertilization.
Define the Zygote.
Name the following:
Virgin birth
Give the functions of the following:
Fallopian tube
The following diagram represents the vertical sectional view of the human female reproductive system.
How does the uterus prepare for the reception of zygote?
Give Reasons
The oviduct funnel is lined with cilia.
Differentiate
External fertilization and Internal fertilization.
Study the diagram given below and then answer the questions that follow:
(i) Name the part labeled A. Name any two hormones produced by the part labeled A.
(ii) What happens to the part labeled B.
(1) if fertilization takes place?
(2) If fertilization does not take place?
(iii) Where does fertilization occur?
(iv) Draw a neat diagram of the human sperm as seen under high magnification and label the following parts.
(1) Acrosome
(2) Mitochondria
Give a labeled structure of ovum.
Give Technical Term:
Rupture of the follicle and release of the ovum from the ovary.
Complete the following sentences with appropriate word:
The sperms in a human male are produced in _____.
Give scientific reason.
The new individual produced by sexual reproduction always has the recombined genes of both the parents.
In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is
The eggs of frogs do not have shells for protection, yet they are safe in water, how?
What is sex chromosomes?
Give any four significances of fertilization in humans.
What are the potential drawbacks in adoption of the IVF method?
- High fatality risk to mother.
- Expensive instruments and reagents.
- Husband/wife necessary for being donors.
- Less adoption of orphans.
- Not available in India.
- Possibility that the early embryo does not survive.
Choose the correct answer from the options given below:
