A gene showing co-dominance has

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Q.
A gene showing co-dominance has [2015]

1 alleles that are recessive to each other

2 both alleles independently expressed in the heterozygote

3 one allele dominant on the other

4 alleles tightly linked on the same chromosome

Ans.
(2)

The phenomenon of expression of both the alleles in a heterozygote is called co-dominance. The alleles which do not show dominance-recessive relationship and are able to express themselves independently when present together are called co-dominant alleles. As a result, the heterozygous condition has a phenotype different from either of homozygous genotypes, e.g., alleles for blood group A ( $I^{A}$ ) and for blood group B ( $I^{B}$ ) are codominant so that when they come together in an individual, they produce blood group AB.

Solution

Q.
A gene showing co-dominance has [2015]

1 alleles that are recessive to each other

2 both alleles independently expressed in the heterozygote

3 one allele dominant on the other

4 alleles tightly linked on the same chromosome

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Solution

Q. A gene showing co-dominance has [2015]

1 alleles that are recessive to each other

2 both alleles independently expressed in the heterozygote

3 one allele dominant on the other

4 alleles tightly linked on the same chromosome

Want Us to Email you About Special Offers & Updates?

Q.
A gene showing co-dominance has [2015]