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प्रश्न
Suppose a normal woman has never borne a child; How many mature eggs would she have produced in her lifetime? Your calculation should be based on two clues-
(a) Eggs are produced at the rate of 1 egg every 28 days (one menstrual cycle)
(b) A woman’s total reproductive period is 13 – 45 years.
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उत्तर
Total reproductive period = 45 − 13 = 32 years Total eggs produced = 32 × 12 = 384 eggs approximately
संबंधित प्रश्न
Differentiate between:
Semen and sperm
Complete the following statement by choosing the correct alternative:
Fertilization occurs in ______.
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?

How is the fetus protected?
Give Reasons
The urethra is also called urinogenital duct.
Differentiate
Isogametes and Heterogametes.
Give a labeled structure of ovum.
Answer the following question.
What is capacitation? Give its importance.
Explain the mechanism of fertilization in humans.
What structure forms on the egg membrane at the site of sperm contact during fertilization?
