Question:
Given below are two statements:
Statement I: Cis-trans test can assign mutant alleles to the same or different genes but cannot estimate the map distance.
Statement II: Recombination frequency can be used to estimate map distance between mutant loci.
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: Cis-trans test can assign mutant alleles to the same or different genes but cannot estimate the map distance.
Statement II: Recombination frequency can be used to estimate map distance between mutant loci.
In light of the above statements, choose the most appropriate answer from the options given below:
Statement I: Cis-trans test can assign mutant alleles to the same or different genes but cannot estimate the map distance.
Statement II: Recombination frequency can be used to estimate map distance between mutant loci.
In light of the above statements, choose the most appropriate answer from the options given below:
Show Hint
Cis-trans test:
- Determines if mutations are in same or different genes.
- Recombination frequency: Estimates map distance.
- Determines if mutations are in same or different genes.
- Recombination frequency: Estimates map distance.
Updated On: Aug 27, 2026
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is correct but Statement II is false
- Statement I is incorrect but Statement II is true
Show Solution
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of the cis-trans test and recombination frequency.
Step 2: Detailed Explanation:
Statement I:
The cis-trans test (complementation test) can determine whether mutations are in the same or different genes.
However, it cannot estimate map distance.
This statement is true.
Statement II:
Recombination frequency can be used to estimate map distance between mutant loci.
One map unit (cM) = 1% recombination frequency.
This statement is true.
Step 3: Final Answer:
Thus, both statements are true, which corresponds to option (A).
[0.5cm]
This question tests knowledge of the cis-trans test and recombination frequency.
Step 2: Detailed Explanation:
Statement I:
The cis-trans test (complementation test) can determine whether mutations are in the same or different genes.
However, it cannot estimate map distance.
This statement is true.
Statement II:
Recombination frequency can be used to estimate map distance between mutant loci.
One map unit (cM) = 1% recombination frequency.
This statement is true.
Step 3: Final Answer:
Thus, both statements are true, which corresponds to option (A).
[0.5cm]
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