Multiple choice

The frequency of crossing over between any two linked genes is

  1. higher if they are recessive

  2. proportional to the distance between them

  3. difficult to predict

  4. determined by their relative dominance
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The frequency of recombination through crossing over is directly related to the physical distance between two genes on a chromosome. The further apart they are, the more likely a crossover event will occur between them.

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