Multiple Choice
In meiosis, how many rounds of cell division occur to produce haploid cells from a diploid precursor?
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17. Meiosis and Sexual Reproduction
Meiosis
Multiple Choice
In which type of cell division is the chromosome number halved, producing haploid cells from a diploid precursor?
A
Meiosis
B
Mitosis
C
Binary fission
D
Cytokinesis without nuclear division
Verified step by step guidance1
Understand the key terms: 'diploid' refers to cells with two sets of chromosomes, while 'haploid' refers to cells with one set of chromosomes.
Recall that the process which reduces the chromosome number by half is essential for sexual reproduction, ensuring that when gametes fuse, the resulting offspring has the correct chromosome number.
Identify the type of cell division that produces haploid cells from a diploid precursor; this process involves two rounds of division and genetic recombination.
Compare the options: Mitosis produces genetically identical diploid cells, binary fission is a form of asexual reproduction in prokaryotes, and cytokinesis without nuclear division does not change chromosome number.
Conclude that the correct process that halves the chromosome number, producing haploid cells from diploid precursors, is meiosis.
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