Question

Allelic and non-allelic interactions

Answer 1

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i. Intragenic interactions :

Occur between the alleles of same gene e.g. incomplete dominance and co-dominance. It also occurs between the multiple allele series of

a gene.

ii. Intergenic (non-allelic) interactions:

Occur between the allels of different-

genes present on the same or different-

chromosomes. e.g. pleiotropy, polygenes,

epistasis, supplermetary and complementry

genes, etc

Answer 2

Answer:

These kinds of genetic interactions between the alleles of a single gene are referred to as allelic or intra- allelic interactions.

Non-allelic or inter-allelic interactions also occur where the development of single character is due to two or more genes affecting the expression of each other in various ways.