PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Heterozygous genotype that equally expresses the traits from both alleles
A
Complete Dominance
B
Co-Dominance
C
Incomplete Dominance
D
Principle of Dominance
Explanation: 

Detailed explanation-1: -Codominance. A variation on incomplete dominance is codominance, in which both alleles for the same characteristic are simultaneously expressed in the heterozygote.

Detailed explanation-2: -In codominance, the alleles of a gene pair in a heterozygote are fully expressed. This results in offspring with a phenotype that is neither dominant nor recessive. As for the incomplete dominance definition, this form of inheritance occurs when the phenotype is intermediate to the phenotype of the parents.

Detailed explanation-3: -Codominance means that both phenotypes show simultaneously, so the heterozygote would be both red and white, which is a distinct third phenotype. These organisms would show spots or splotches of each color. This gives three total phenotypes: red, white, and red-white spotted.

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