Multiple Choice
If three diploid cells each undergo meiosis to completion, how many haploid daughter cells are produced in total (assuming no nondisjunction or cell loss)?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
Which statement best describes meiosis II in humans?
A
It is a reductional division in which homologous chromosomes separate, halving the chromosome number from diploid to haploid.
B
It is the stage in which DNA replication occurs to create sister chromatids prior to gamete formation.
C
It is the process in which crossing over between homologous chromosomes occurs to generate recombinant chromatids.
D
It is an equational division in which sister chromatids separate, producing haploid cells with unduplicated chromosomes.
Verified step by step guidance1
Step 1: Understand the overall purpose of meiosis, which is to produce haploid gametes from diploid cells through two successive divisions: meiosis I and meiosis II.
Step 2: Recall that meiosis I is called the reductional division because it reduces the chromosome number from diploid (2n) to haploid (n) by separating homologous chromosomes.
Step 3: Recognize that meiosis II follows meiosis I without an intervening round of DNA replication, and it separates sister chromatids, similar to mitosis.
Step 4: Define meiosis II as an equational division because it maintains the haploid chromosome number by separating sister chromatids into individual chromosomes.
Step 5: Conclude that meiosis II produces haploid cells with unduplicated chromosomes, which are ready to develop into gametes.
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