Example of intergenic gene interaction is/are

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(D) Gene interaction is the influence of alleles and non-alleles on the normal phenotypic expression of genes. It is of two types: intragenic (allelic

Vedclass · Accepted Answer

None of the above

Vedclass · Answer

(D) Gene interaction is the influence of alleles and non-alleles on the normal phenotypic expression of genes. It is of two types: intragenic (allelic) and intergenic (non-allelic).$1$. Intragenic interaction: The two alleles present on the same gene locus on homologous chromosomes interact to produce a phenotypic expression different from the typical dominant-recessive pattern. Examples include incomplete dominance,codominance,and multiple alleles.$2$. Intergenic (non-allelic) interaction: Two or more independent genes present on the same or different chromosomes interact to produce a specific phenotypic expression. Examples include epistasis,duplicate genes,complementary genes,supplementary genes,and inhibitory genes.Since incomplete dominance,codominance,and multiple alleles are all examples of intragenic interactions,none of the given options represent intergenic interaction.

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