Multiple Choice
Homologous chromosomes move to opposite poles of a dividing cell during which stage of meiosis?
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9. Mitosis and Meiosis
Meiosis
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Which statement best describes the chromosome number of the starting cell in meiosis compared to the resulting gametes?
A
The starting cell has twice the number of chromosomes as each gamete.
B
The starting cell and each gamete have the same number of chromosomes.
C
The starting cell has half the number of chromosomes as each gamete.
D
The starting cell has three times the number of chromosomes as each gamete.
Verified step by step guidance1
Understand that meiosis is a type of cell division that reduces the chromosome number by half to produce gametes (sperm or egg cells).
Recall that the starting cell in meiosis is a diploid cell, meaning it contains two sets of chromosomes, one from each parent. This is often represented as $2n$.
Recognize that the gametes produced by meiosis are haploid cells, containing only one set of chromosomes, represented as $n$.
Compare the chromosome number of the starting diploid cell ($2n$) to that of the resulting haploid gametes ($n$).
Conclude that the starting cell has twice the number of chromosomes as each gamete because $2n$ is double $n$.
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