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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Reproduction
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1. The theca layer of ovarian follicles is organised into an inner theca interna and an outer theca externa. 2. The primary oocyte within the tertiary follicle grows in size and completes its first meiotic division. 3. First meiotic division is an unequal division resulting in the formation of a large haploid tertiary oocyte and a tiny first polar body 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 ) 2 is correct but 1 and 3 are incorrect
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1 Answer

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(A) is the right answer.

The theca layer of ovarian follicles is organised into an inner theca interna and an outer theca externa. It is important to draw your attention that it is at this stage that the primary oocyte within the tertiary follicle grows in size and completes its first meiotic division. It is an unequal division resulting in the formation of a large haploid secondary oocyte and a tiny first polar body.
answered Mar 20, 2014 by pady_1
 

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