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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
State whether the following statement is true (T) or false (F):
The plumule of an embryo gives rise to the root system.
The middle piece of sperm provides:
Rewrite the terms in the correct order so as to be in a logical sequence.
coitus, ovum, Sperm, sperm duct, urethra, Vagina.
Choose the correct answer:
Virgin birth is called ______________
Name the following:
Organ where fertilization occurs.
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?
Where does fertilization occur?
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
Draw a labeled diagram of sperm.
Give Technical Term:
How much semen is discharged per ejaculation in a man?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The process of fusion of the sperm nucleus and the egg nucleus is termed implantation.
How can plants and animals save themselves from extinction?
Which of the following is the first cell of human life?
At which anatomical location does fertilization occur in humans?
Which ions enter the sperm during capacitation, causing rapid whiplash movements of the tail?
What structure forms on the egg membrane at the site of sperm contact during fertilization?
What are the two sequential blocks that prevent polyspermy?
What is the term used to describe the fusion product of male and female pronuclei?
