NEET BIOLOGY

GENETICS AND EVOLUTION

INHERITANCE AND VARIATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Gene located on the same locus but having different expressions are
A
oncogenes
B
polygenes
C
multiple alleles
D
codominants
Explanation: 

Detailed explanation-1: -So, the correct option is ‘Multiple alleles’.

Detailed explanation-2: -Gene located at the same locus but having different expression are: Multiple alleles.

Detailed explanation-3: -Multiple alleles are present at the same locus of chromosome. In multiple alleles, three or more alternative forms of a gene (alleles) that can occupy the same locus. A classical example of multiple alleles is found in ABO blood group system of humans.

Detailed explanation-4: -Answer: pleiotropic genes. Explanation: Genes located on same locus but show more than two different phenotypes are called pleiotropic genes.

Detailed explanation-5: -on the locus of the homologous chromosome, if more than two allelic forms occur then it is called multiple alleles. Additional Information:-Multiple allelism is a phenomenon in which more than two alleles exist in a population of specific organisms.

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