Assertion(A): ABO blood grouping shows the presence of three alleles for gene I.
Reason(R): Humans are diploid and hence carry two alleles for all genes.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
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Subtopic: Â Dominance Deviation from Mendel: 1 |
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Assertion(A): The unmodified (functioning) allele, which represents the original phenotype is the dominant allele.
Reason(R): The modified allele is generally the recessive allele.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
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Subtopic: Â Dominance Deviation from Mendel: 1 |
 75%
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Other Reason
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Assertion(A): ABO blood grouping has three alleles but humans have any two at a time.
Reason(R): Humans are diploid organisms.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Add Note
Subtopic: Â Dominance Deviation from Mendel: 1 |
 81%
From NCERT
Other Reason
Highlight in NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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