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Meiotic division during oogenesis is dif...

Meiotic division during oogenesis is different from that in spermatogenesis. Explain how and why?

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Unequal cytoplasmic diversion of the oocyte is to ensure the retention of bulk of cytoplasm in one cell, instead of sharing it with two. It has to provide nourishment for the developing embryo during early stages, so it is essential to retain as much cytoplasmic materials it could in a single daughter cell.
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TRUEMAN BIOLOGY-REPRODUCTION-SECTION-D
  1. When and where in the body is oogenesis completed?

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  2. (a) How is the placenta connected to the embryo? (b ) Placenta acts ...

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  3. Give reasons why: (i) Most zygotes in angiosperms divide only afte...

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  4. 2 difference between cross pollination and self pollination

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  5. Draw a labelled diagram of the structure of mature dicot embryo.

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  6. (a ) Draw a labelled longisectional view of an albuminous 'seed'·

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  7. Describe the post-zygotic events leading to implantation and placenta ...

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  8. Although sexual reproduction is a long drawn, energy-intensive complex...

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  9. Embryo sacs of some apomitic species appear normal but contain diploid...

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  10. Meiotic division during oogenesis is different from that in spermatoge...

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  11. Enumerate and describe any five reasons for introducing sex education ...

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  12. The following is the illustration of the sequence of ovarian events (a...

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  13. Describe the stage in embryo development in a dicot plant.

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  14. Where is morula formed in humans? Explain the process of its developme...

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  15. Mention the fate of all the components of the embryo sac after fertili...

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  16. (a) Draw a diagrammatic sectional view of a mature anatropous ovule an...

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  17. (a) Draw a diagrammatic sectional view of the female reproductive syst...

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  18. (a) Draw a labelled schematic diagram of the transverse section of a m...

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  19. Write two differences between spermtogenesis and oogenesis

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  20. (a) Draw a diagram of a mature embryo sac of an angiosperm and label t...

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