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Synapsis occurs between...

Synapsis occurs between

A

a male and a female gamete

B

mRNA and ribosomes

C

spindle fibres and centromere

D

two homologous chromosomes

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The correct Answer is:
D
In zygotene of prophase-I homologous chromosomes pair up. This process is called synapsis. One chromosome of the pair is from the male parent and one from the female parent.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-CELL CYCLE AND CELL DIVISION-EXERCISE
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  2. Given below is schematic break-up of phases of cell cycle. Which one ...

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  3. Synapsis occurs between

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  4. The salivary gland Chromosomes in the dipteran larvae, are useful in g...

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  5. Centromere is rquired for

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  6. In which stage of the cell cycle are histone proteins synthesised in a...

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  7. You are provided with floral buds of Chrysanthemum in your class and a...

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  8. Which one of the following precedes re-formation of the nuclear envelo...

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  9. In the somatic cell cycle.

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  10. Crossing over that results in genetic recombination in higher organism...

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  11. Mitotic spindle is mainly composed of proteins.

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  12. Best material to study meiosis is

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  13. Which of the following occurs more than one and less than five in a ch...

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  14. If a diploid cell is treated with colchicine, then it becomes

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  15. During karyokinesis, the spindle fibres get attached to condensing chr...

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  16. Crossing over in diploid organism is responsible for

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  17. A bacterium divides every 35 minutes. If a culture containing 10^(5) c...

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  18. During cell division in apical meristem nuclear membrane reappears in

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  19. How many mitotic divisions are needed for a single cell to make 128cel...

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  20. Which of the folliwng structure will not be common to mitotic cell of ...

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