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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Reproduction
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1. Primary spermatocytes periodically undergo meiosis. 2. A primary spermatocyte completes the first meiotic division leading to formation of four secondary spermatocytes. 3. Secondary spermatocytes undergo the second meiotic division to produce four unequal, haploid spermatids. Regarding 1,2 and 3 :

( a ) 3 is incorrect; 1 and 2 are correct
( b ) 1 is incorrect but 2 and 3 are correct
( c ) 2 is incorrect but 1 and 3 are correct
( d ) 1 is correct but 2 and 3 are incorrect
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1 Answer

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(D) is the right answer.

Primary spermatocytes periodically undergo meiosis. A primary spermatocyte completes the first meiotic division (reduction division) leading to formation of two equal, haploid cells called secondary spermatocytes, which have only 23 chromosomes each. The secondary spermatocytes undergo the second meiotic division to produce four equal, haploid spermatids
answered Mar 20, 2014 by pady_1
 

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