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Question: Answered & Verified by Expert
What map unit (Centimorgan) is adopted in the construction of genetic maps?
BiologyPrinciples of Inheritance and VariationNEETNEET 2019 (All India)
Options:
  • A A unit of distance between two expressed genes, representing 10% cross over.
  • B A unit of distance between two expressed genes, representing 100% cross over.
  • C A unit of distance between genes on chromosomes, representing 1% cross over.
  • D A unit of distance between genes on chromosomes, representing 50% cross over.
Solution:
2234 Upvotes Verified Answer
The correct answer is: A unit of distance between genes on chromosomes, representing 1% cross over.
1 map unit or centimorgan is equivalent to 1% recombination between two genes. If was Sturtevant who first suggest that frequency of recombination can be used to depict relative distance between the genes. 10% crossing over is known as Morgan (M)

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