In Meiosis, a Crossover in One Position Is Thought to Inhibit

question 4

Multiple Choice

In meiosis, a crossover in one position is thought to inhibit crossing-over in the neighboring regions. This regulatory mechanism …

• A) results in a very uneven distribution of crossover points along each chromosome.
• B) ensures that even small chromosomes undergo at least one crossover.
• C) controls how the Holliday junctions are resolved.
• D) All of the above.

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