Biology · Genetics
Consider a comparison between a physical map and a genetic map for 5 different linked genes (a to e). In a certain chromosome region, the distance on the genetic map between genes d and e is significantly larger relative to their physical distance than the genetic distance between genes a and b relative to their physical distance. Which one of the following statements based on this principle is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The region between b and c is always more recombinogenic than all other loci.
- 2In comparison to the region between a and b, the region between d and e is more recombinogenic.✓
- 31 cM of genetic distance is strictly equal to 1 Kb of physical distance across all chromosomal regions.
- 4If more markers are mapped between d and e, the cumulative genetic distance between d and e is bound to decrease significantly.
Correct answer
In comparison to the region between a and b, the region between d and e is more recombinogenic.
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