NEET Solved Paper 2019 Question 83
Question: What map unit (Centimorgan) is adopted in the construction of genetic maps? [NEET 5-5-2019]
Options:
A) A unit of distance between genes on chromosomes, representing 1% cross over.
B) A unit of distance between genes on chromosomes, representing 50% cross over.
C) A unit of distance between two expressed genes, representing 10% cross over.
D) A unit of distance between two expressed genes, representing 100% cross over.
Show Answer
Answer:
Correct Answer: A
Solution:
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Correct option is C. A unit of distance between genes on chromosomes, representing 1% cross over
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1 map unit represent 1% cross over.
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Map unit is used to measure genetic distance. This genetic distance is based on average number of cross over frequency.
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So, the correct answer is ‘A unit of distance between genes on chromosomes, representing 1% 1% cross over’
