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Chromosomes appear as long thin threads ...

Chromosomes appear as long thin threads during:

A

Ieptotene

B

zygotene

C

pachytene

D

prophase

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JBD PUBLICATION-CELL CYCLE AND CELL DIVISION-EXAMPLE
  1. Chromosomes appear as long thin threads during:

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  2. Fill in the blanks: Pairs of ……………chromosomes are called bivalents.

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  3. Fill in the blanks: Synapsis takes place during………….. .

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  4. Fill in the blanks: …………….chromosomes are exactly alike.

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  5. Fill in the blanks: First meiotic division is called ……………phase.

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  6. Fill in the blanks: Division of ……………..is known as karyokinesis.

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  7. Fill in the blanks: Division of …………..is known as cytokinesis.

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  8. Fill in the blanks: Chromosomes are thickest and shortest at……………. .

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  9. Fill in the blanks: A prophase chromosome has……………….chromatids.

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  10. Fill in the blanks: Protein………..is required for spindle formation.

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  11. Fill in the blanks: G1 chromosomes have……………….chromatid.

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  12. Fill in the blanks: Three phases of interphase are………………….., S and ………...

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  13. Fill in the blanks: ……………….remain in interphase throughout the life.

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  14. Fill in the blanks: Majority of lifespan of a cell is spent in ………………....

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  15. Fill in the blanks: In higher eukaryotes the ……………..egg begins the lif...

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  16. In which phase of meiosis are the following formed? Choose the answers...

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  17. What are characteristic features of diakinesis?

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  18. Define zygotic meiosis.

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  19. what is gametic meiosis?

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  20. Name five substages of prophase I of meiosis.

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  21. Name the following scientists who: Coined the term meiosis.

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