Multiple Choice
During mitosis in a diploid organism, what is the chromosome number in each daughter cell relative to the parent cell?
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16. Cell Division
Mitosis
Multiple Choice
Which outcome is a direct result of mitosis in a eukaryotic cell?
A
Fusion of two haploid gametes to form a diploid zygote
B
Two genetically different daughter cells with half the chromosome number of the parent cell
C
Exchange of genetic material between homologous chromosomes (crossing over)
D
Two genetically identical daughter cells with the same chromosome number as the parent cell
Verified step by step guidance1
Understand the purpose of mitosis: Mitosis is a process of cell division in eukaryotic cells that results in two daughter cells. Its main goal is to produce cells that are genetically identical to the original parent cell.
Recall the chromosome number during mitosis: In mitosis, the chromosome number remains the same. The parent cell duplicates its chromosomes during the S phase of interphase, and then divides so that each daughter cell receives an identical set of chromosomes.
Compare mitosis with other processes: Fusion of two haploid gametes to form a diploid zygote is a feature of fertilization, not mitosis. Exchange of genetic material between homologous chromosomes (crossing over) occurs during meiosis, not mitosis. Producing genetically different daughter cells with half the chromosome number is also a feature of meiosis.
Identify the correct outcome of mitosis: Since mitosis produces two genetically identical daughter cells with the same chromosome number as the parent cell, this is the direct result of mitosis.
Summarize the key point: Mitosis ensures genetic consistency by creating two daughter cells that are clones of the parent cell, maintaining the chromosome number and genetic information.
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