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Meiosis

The differenc...

Question

The difference between mitosis and meiosis is that in meiosis
I. Two cell divisions take place.
II. DNA replicates during interphase.
III. Haploid cells are produced from diploid cells.

A

I only

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B

II only

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C

III only

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D

I and III only

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E

I, II, and III

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Solution

The correct option is D I and III only
Mitosis is an equational type of cell division where only one cell division occurs. Two diploid cells are formed from parent diploid cell. Meiosis is divided into meiosis I and meiosis II. It involves the reductional division in which four haploid cells formed from the diploid parent cell. DNA replication takes place in the interphase in meiosis as well as in mitosis.
Thus, the correct answer is option 'I and III only'.

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Similar questions

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.

Q. Pick out the correct statements.
(A) Mitosis takes place in the somatic cells and meiosis takes place in the germ cells.
(B) During mitosis, the DNA replicates once for one cell division and in meiosis, the DNA replicates twice for two cell divisions.
(C) Mitosis and meiosis occur both in 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.

Q.
Match the following differences between Mitosis and Meiosis:

Column I	Column II
i) Mitosis	a. Two Diploid daughter cells are formed.
ii) Meiosis	b. Four Haploid daughter cells are formed.
	c. The number of chromosomes remains the same.
	d. Bivalents are formed and crossing over is seen.
	e. Division process occurs twice.
	f. Division process occurs only once.

Q. Meiosis II is said to be similar to mitosis, however the two differ in some aspects like
a. In meiosis II, the two daughter cells formed from each cell are generally genetically different
b. Meiosis II is initiated immediately after cytokinesis
c. In animals, mitosis takes place in both haploid and diploid cells
d. Synaptonemal complex is formed in meiosis II
e. Centromere does not divide in meiosis II
The correct statements are

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