A gene showing co-dominance has?

1. One allele is dominant on the other 
2. Alleles are tightly linked on the same chromosome
3. Alleles that are recessive to each other
4. Both alleles are independently expressed in the heterozygote

Subtopic:  Dominance Deviation from Mendel: 1 |
 85%
From NCERT
NEET - 2015

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Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents?
1. law of dominance
2. inheritance of one gene
3. co-dominance
4. incomplete dominance
Subtopic:  Dominance Deviation from Mendel: 1 |
 71%
From NCERT
AIPMT - 2013
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Which one of the following cannot be explained on the basis of Mendel's Law of Dominance?

1. The discrete unit controlling a particular character is called a factor.
2. Out of one pair of factors, one is dominant, and the other recessive.
3. Alleles do not show any blending and both the characters recover as such in the F2 generation.
4. Factors occur in pairs.
Subtopic:  Dominance Deviation from Mendel: 1 |
 76%
From NCERT
AIPMT - 2010
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In antirrhinum, two plants with pink flowers were hybridized. The F1 plants produced red, pink, and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for hybridization? Red flower colour is determined by RR, and White by rr genes.

1. RR 2. Rr
3. rr 4. rrrr

Subtopic:  Dominance Deviation from Mendel: 1 |
 94%
From NCERT
AIPMT - 2010
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
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To view explanation, please take trial in the course.
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