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प्रश्न
During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring. What are the processes through which these events take place?
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उत्तर
During gametogenesis, the chromosomal number is reduced by half and then regained through fertilisation.
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संबंधित प्रश्न
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions
(a) Acrosome
(b) Nucleus
(c) Middle piece
The process of release of the ovum from a mature follicle is called ______.
Identify True/False statement. Correct the false statement to make it true.
Oogenesis takes place in the corpus luteum.
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
The Androgen Binding Protein (ABP) is produced by ____________.
At what stage of development are the gametes formed in newborn male and female?
How many autosomes does a human primary spermatocyte have?
There is no cell division involved in ______.
The head of the epididymis at the head of the testis is called ______.
The mother germ cells are transformed into a mature follicle through series of steps. Provide the missing steps in the blank boxes.
