The paradox of meiosis is

conservation of specific chromosome number from generation to generation

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Produces four haploid cells after meiosis II

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It is a double division

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Does not involve DNA replication

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Solution

The correct option is D conservation of specific chromosome number from generation to generation
The paradox of meiosis is referred to as conservation of specific chromosome number from generation to generation. It is important for a sexually reproducing organism to produce haploid gametes that take part in fertilization. Each of the haploid gametes contains half the chromosomes of the parent cells which are diploid. A haploid gamete of a female fertilizes with the haploid gamete of a male and results into a diploid zygote. Thus, meiosis is necessary for restoring the chromosome number of the parent cell, and to avoid chromosomal error in each generation.

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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

DNA content

Q. Assertion: Though the chromosome content of the daughter cells is halved by the end of meiosis I, meiosis II is essential for generation of haploid cells.

Reason: During meiosis II, the duplicated sister chromatids separate from each other and are distributed into the haploid daughter cells.

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. 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. 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.

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