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Epistasis is a type of gene interaction ...

Epistasis is a type of gene interaction showing

A

Control of a phoenotype by three genes

B

masking of the effect of a gene by a nonallelic locus

C

producing a new chactacter when two nonallelic genes happen together in an individual

D

enhancing the effect of a gene by a nonallelic gene

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The correct Answer is:
B
masking of the effect of a gene by a nonallelic locus
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TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
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  2. Antiserum used is testing blood groups has

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  3. Epistasis is a type of gene interaction showing

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  4. Development of purple flower character when two white flower strains o...

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  5. Hb^(A) and Hb^(S) alleles of normal and sickle cell haemoblobin are

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  6. Consanguineous marriages (marriages between close relatives/cousins) a...

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  7. Multiple gene inheritance takes into account

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  8. The genes controlling the seven pea characters studied by mendel are n...

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  9. In F(2) generation, a ratio of 1:4:6:4:1 is obtained instead of 9:3:3:...

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  10. Polygenic traits include

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  11. Sickle cell anaemia is due to substitution/transversion (point mutatio...

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  12. 12:3:1 ratio is due to which type of gene interaction

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  13. Selection will not eliminate a lethal recessive gene from a large popu...

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  14. A modified dihybrid mendelian ratio of 9:3:4 shows

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  15. Failure of one gene to express it in the presence of a non-allelic gen...

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  16. If a negro marries a white skin female, the mulattoes are born.if such...

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  17. Wife is PTC nontaster and husband is PTC taster. Their son is taster b...

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  18. Predict from the following chart

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  19. In the following pedigree chart, the mutant trait is shaded black. The...

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  20. In the given pedigree, what the shaded symbols indicate

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