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Meiosis

All are essen...

Question

All are essential stages that take places during meiosis, except

A

82 successive divisions without any DNA replication to occurring between them

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B

Formation of chiasmata & Crossing over

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C

Segregation of homologous chromosomes

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D

No. of chromosomes in daughter cells after meiosis

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Solution

The correct option is A 82 successive divisions without any DNA replication to occurring between them
Meiosis:- This process takes place only in the production of gametes in humans. It is a division process.

It occurs in eukaryotic organisms. In this process, one cell divides into four daughter cells. It consists of total $9$ stages. Each cell has half the number of chromosomes.

(A) $82$ successive divisions without any DNA replication to occuring between them.

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Similar questions

Q. Which of the following statements are incorrect about meiosis ?
(a) It yields four genetically identical cells
(b) It involves two successive divisions without any DNA replication occurring between them.
(c) Intrameiotic interphase involves replication of DNA and centrioles.
(d) Meiosis -I results in the formation of two daughter cells each with haploids number of chromosomes and

1 C

Q. What are homologous chromosomes? Name the stage of cell division in which paired homologous chromosomes get shortened & thickened. What happen to homologous chromosomes during meiosis?

Q. Assertion :Meiosis-I is called reductional division in which crossing over occur between homologous chromosomes and as end product each cell receives one set of chromosomes. Reason: Meiosis II is same as Mitosis.

Q. Which of the following statement(s) is/are correct about meiosis?
I. Meiosis involves pairing of homologous chromosomes and recombination between them.
II. Two diploid cells are formed at the end of meiosis-II.
III. Meiosis involves two sequential cycles of nuclear and cell division called meiosis-I and meiosis-II, but only a single cycle of DNA replication.
IV. Meiosis-I is initiated after the parental chromosome replication, which produces identical sister chromatids at the S-phase.

Q. The process of crossing over between homologous chromosomes that takes place during meiosis is advantageous because it

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