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Multiple Choice
What is the correct chromosomal condition at prometaphase of mitosis?
A
Chromosomes are decondensed and located in the nucleus.
B
Chromosomes are separated into two distinct groups at opposite poles.
C
Chromosomes are aligned at the metaphase plate.
D
Chromosomes are condensed and attached to spindle fibers but not yet aligned at the metaphase plate.
Verified step by step guidance
1
Understand the stages of mitosis: Mitosis is divided into several phases, including prophase, prometaphase, metaphase, anaphase, and telophase. Each phase has distinct characteristics regarding the condition and location of chromosomes.
Identify the characteristics of prometaphase: During prometaphase, the nuclear envelope breaks down, and the chromosomes become more condensed. Spindle fibers attach to the kinetochores of the chromosomes.
Differentiate prometaphase from other phases: In prophase, chromosomes start condensing but are not yet attached to spindle fibers. In metaphase, chromosomes are fully aligned at the metaphase plate. In anaphase, chromosomes are separated into two groups.
Focus on the attachment of chromosomes: In prometaphase, chromosomes are condensed and attached to spindle fibers, but they have not yet aligned at the metaphase plate, which is a key characteristic of this phase.
Conclude with the correct chromosomal condition: The correct chromosomal condition at prometaphase is that chromosomes are condensed and attached to spindle fibers but not yet aligned at the metaphase plate.