Epistatic gene differs from dominant gene in

Epistatic gene is nonallelic

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Epistatic gene never expresses itself independently

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Epistatic and hypostatic genes are present at different loci

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All the above

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Solution

The correct option is D All the above

Epistatic gene differs from dominant gene in the following characters

EPISTATIC GENE

DOMINANT GENE

1.It is non allelic

1.It is allelic

2.It does not express itself independently

2.It can express itself independently.

3.These genes are present in different loci.

3.These are present in same loci.

4.It hides the activity of another gene.

4.It does not hide the activity of another gene.

5.Law of independent assortment is not applicable.

5.Law of independent assortment is applicable.

So, the correct optin is ‘All the above’.

Suggest Corrections

	I		II
A	Dominance	i	In a heterozygous organism both alleles express themselves fully
B	Epistasis	ii	A single gene influences many characters
C	Pleiotropy	iii	One gene is suppressed by other gene.
D	Codominance	iv	One allele masks the other allele of the same gene

Column I	Column II
Pleiotropic gene	Both allele express equally
Codominance	Change in nucleotide
Epistasis	One gene shows multiple phenotypic expression
Mutation	Non - allelic gene inheritance

EPISTATIC GENE	DOMINANT GENE
1.It is non allelic	1.It is allelic
2.It does not express itself independently	2.It can express itself independently.
3.These genes are present in different loci.	3.These are present in same loci.
4.It hides the activity of another gene.	4.It does not hide the activity of another gene.
5.Law of independent assortment is not applicable.	5.Law of independent assortment is applicable.