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 $1 C$ DNA content

(a),(b) and (c)

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(a) and (b)

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(a),(c) and (d)

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Solution

The correct option is B (a) and (b)
Meiosis does not yield four genetically identical cells.
Meiosis involves two successive divisions with DNA replication occurring between them.
In interphase centrioles and DNA replicate.
Meiosis -I results in the formation of two daughter cells each with haploids number of chromosomes.
So the correct answer is '(a) and (b)'

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Similar questions

Q. Which of the following statements is/are correct?
(A) Meiosis involves two sequential cycles of each event, i.e., DNA replication and nuclear division.
(B) Meiosis involves pairing of homologous chromosomes and recombination between them.
(C) Four haploid cells are formed at the end of meiosis-I.
(D) Meiosis ensures the production of haploid phase in the life cycle of sexually reproducing organisms.

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.

Question 9
Identify the wrong statement about meiosis
(a) Pairing of homologous chromosomes
(b) Four haploid cells are formed
(c) At the end of meiosis the number of chromosomes are reduced to half
(d) Two cycle of DNA replication occurs

Q. Match the terms to these definitions.
Centromere, centrosome, chromatin, chromosome, spindle, cell cycle, karyotype, meiosis, mitosis, sister chromatids, interphase, metaphase
.......... One of two genetically identical chromosome units that are the result of DNA replication.

Q. Which of the following statements is true?
(i) Mitosis is preceded by one cycle of DNA replication and meiosis is preceded by two cycles of DNA replication.
(ii) In sexually reproducing organisms, meiosis is the only type of cell division observed.
(iii) Meiotic cell division is essential for the production of haploid gametes.

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