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Question

What occurs in germinal cells during gamete formation?


A
One reduction division and one equational division
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B
Two successive equational divisions
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C
Two successive reduction divisions
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D
Short prophase in division I
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Solution

The correct option is A One reduction division and one equational division
The cell division which is responsible for gamete production is called meiosis. In meiosis, four daughter cells are formed from one parent cell. The produced gametes are haploid hence contain half the number of required chromosomes. The four cells are produced from two division processes that take place in meiosis. 
  1. Reductional division: In this step, genetic material is decreased to half of its original amount hence called reductional division. The two resultant daughter cells are haploid in nature.
  2. Equational division: In this step, the two haploid cells produced from reductional division undergo equational division to form four new haploid daughter cells.
These two processes help in keeping the number of chromosomes same from generation to generation.
So, the correct option is A

Biology

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