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Meiosis is evolutionary significant beca...

Meiosis is evolutionary significant because it results in

A

Recombinations

B

Eggs and sperms

C

Four daughter cells

D

Genetically similar daughter cells

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The correct Answer is:
A
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Meiosis is also alled reductional division because it halves the chromosome number in the daughter cells than those in the parental cell. It is so as the parental cell divides twice, while the chromosomes duplicate only once. Mciosis is of three types on the basis of period and site of occurrence of metosis. Answer the following questions on meiosis: (i) Name the longest phase of meiosis-I and sequence of its subphase... (ii) Define crossing over. Give its significance, (in) State one difference between gametic meiosis and zygotic meiosis.

CENGAGE BIOLOGY-CELL CYCLE AND CELL DIVISION-ARCHIVES (Chose the corrct option):
  1. Meiosis is evolutionary significant because it results in

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  2. Given below is a schematic break-up of the phases/stages of cell cycle...

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  3. Synapsis occurs between

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  4. Which stages of cell division do the following figures A and B represe...

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  5. During mitosis ER and nucleolus begin to disappear at

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  6. Select the correct option with respect to mitosis

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  7. During gamete formation, the enzyme recombinate participates during

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  8. Given below is the representation of a certain event at a particular s...

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  9. The complex formed by a pair of synapsed homologous chromosomes is cal...

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  10. The enzyme recombinase is required in which stage of meiosis ?

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  11. In 'S' phase of the cell cycle

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  12. During which phase(s) of cell cycle amount of DNA in a cell remains at...

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  13. A somatic cell that has just completed has just completed the S-phase ...

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  14. Select the correct option: {:(,I,,II),((a),"Synapsis aligns homologo...

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  15. Arrange the following events of meiosis in correct sequence (a) Cro...

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  16. Spindle fibers attach on to

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  17. In meiosis crossing over is initiated at

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  18. Which of the following is not a characteristic feature during mitosis ...

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  19. A cell at telophase stage is observed by a student in a plant brought ...

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  20. During cell growth, DNA synthesis takes place in

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  21. When cell has stalled DNA replication fork, which check-point should b...

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