Multiple Choice
In meiosis I, homologous chromosomes separate into different cells. What is the end result of meiosis I?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
In a diploid organism, the end of meiosis results in four haploid cells that are ____ to each other.
A
Genetically distinct (nonidentical) due to independent assortment and crossing over
B
Diploid and genetically identical to the original parent cell
C
Genetically identical because all daughter cells receive the same alleles
D
Diploid and genetically distinct due to separation of sister chromatids in meiosis II
Verified step by step guidance1
Recall that meiosis is a type of cell division that reduces the chromosome number by half, producing haploid cells from a diploid parent cell.
Understand that during meiosis, two key processes increase genetic variation: independent assortment of chromosomes and crossing over between homologous chromosomes.
Independent assortment refers to the random distribution of maternal and paternal chromosomes into gametes, which creates different combinations of alleles.
Crossing over occurs during prophase I of meiosis, where homologous chromosomes exchange segments, further increasing genetic diversity among the resulting cells.
Since these processes generate unique combinations of alleles, the four haploid cells produced at the end of meiosis are genetically distinct (nonidentical) to each other.
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