NEET BIOLOGY

GENETICS AND EVOLUTION

GENETIC BASIS OF INHERITANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
when one allele is not completely dominant over the other-blending of two traits
A
Codominance
B
Complete dominance
C
Incomplete dominance
D
none of these
Explanation: 

Detailed explanation-1: -In codominance, neither allele is dominant over the other, so both will be expressed equally in the heterozygote. In incomplete dominance, there is an intermediate heterozygote (such as a pink flower when the parents’ phenotypes are red and white).

Detailed explanation-2: -Incomplete Dominance One allele is NOT always completely dominant over another allele. Sometimes an individual has a phenotype between the two parents because one allele is not dominant over another. This pattern of inheritance is called incomplete dominance.

Detailed explanation-3: -Difference between Codominance and Incomplete dominance Two parents blend together to create a new phenotype for their offspring. The two alleles neither act as dominant or recessive over the other. One allele is not completely dominant over the other. A hybrid will not result in the formation of a new phenotype.

Detailed explanation-4: -In complete dominance, only one allele in the genotype is seen in the phenotype. In codominance, both alleles in the genotype are seen in the phenotype. In incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype.

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