Textbook Question
The diagram shows a cell in meiosis. Describe the makeup of a haploid set and a diploid set.
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12. Meiosis
Meiosis I
Multiple Choice
What occurs during Anaphase I of meiosis?
A
Sister chromatids separate and move to opposite poles.
B
Chromosomes align at the metaphase plate.
C
The nuclear envelope reforms around separated chromosomes.
D
Homologous chromosomes separate and move to opposite poles.
Verified step by step guidance1
Understand that meiosis is a type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell.
Recognize that meiosis consists of two stages: Meiosis I and Meiosis II. Anaphase I is a part of Meiosis I.
During Anaphase I, homologous chromosomes, which are pairs of chromosomes containing the same genes but possibly different alleles, are separated.
These homologous chromosomes are pulled apart by spindle fibers and move towards opposite poles of the cell.
This separation reduces the chromosome number by half, ensuring that each daughter cell receives only one chromosome from each homologous pair, which is crucial for maintaining genetic diversity.
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