Biology · Classical Genetics
Given below are a few statements related to inheritance biology: A. A crossover is the breakage of two DNA molecules at the same position and their rejoining in two reciprocal recombinant combinations. B. Crossing over takes place at the four-chromatid stage. C. As the distance between two genes increases, the recombination frequencies move closer to 50%. D. Percentage of recombinants between two genes can be used as a quantitative index of the accurate physical distance between them. Which one of the following options is a combination of all correct statements?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B, C and D
- 2A, B and C✓
- 3B and D only
- 4A and C only
Correct answer
A, B and C
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