Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some insects. The _________ is composed of germ cells and somatic mesodermal cells.

Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter18: Animal Reproduction And Development
Section: Chapter Questions
Problem 2ACQ: Figure 18.17 Which of the following statements about hormone regulation of the female reproductive...
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  1. Spermatogenesis usually occurs during the ___________ and continues in
  2. the _________ stage in some insects.
  3. The _________ is composed of germ cells and somatic mesodermal cells.
  4. Each follicle contains a large _________ that apparently serves as trophic function.
  5. The spermatogonia undergo several __________ divisions to form the primary spermatocytes. 
  6. The primary spermatocytes become _________ in somatic cells. 
  7. The primary spermatocytes undergo _________ and produce haploid daughter cells in the next region. 
  8. In the zone of maturation and reduction, the primary spermatocytes become _______ and
  9. _________ respectively.

10.The secondary spermatocytes become transformed into ____________. 

  1. When the _________ in which they have been encased throughout spermatogenesis rupture,

12.the spermatozoa enter the vas efferens and the vas deferens and lodge in the _________.

  1. When the spermatozoa are released into the ducts, they remain in bundles known as _______ held together by a gelatinous material.

14.The spermatozoa are filamentous with very narrow _________

  1. which may have something to do with the size of the ________.

16.________ of the muscles associated with the vas deferens and the ejaculatory duct accounts for the motility of the sperms. 

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