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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.
उत्तर
Total reproductive period = 45 − 13 = 32 years Total eggs produced = 32 × 12 = 384 eggs approximately
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संबंधित प्रश्न
Differentiate between the following pair:
Efferent duct and sperm duct
Choose the correct answer:
Virgin birth is called ______________
Name the following:
Fusion of sperm and ovum.
Name the following:
Virgin birth
Write the functional activity of the following structure:
Seminal vesicles
Write a short note on fallopian tube.
State whether the following statement is True or False. If false, correct the statement :
Human egg has a head, middle piece and tail.
State whether True or False:
The chromosome number in germ cells producing the gametes are diploid.
Give any four significances of fertilization in humans.
Name the three main regions of the human sperm, and briefly mention the function of each.
