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

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

A

dominant epistasis

B

recessive epistasis

C

supplementary gene intereaction

D

complementary gene interaction

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The correct Answer is:
A
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TRUEMEN BIOLOGY ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
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  2. Sickle cell anaemia is due to substitution/transversion (point mutatio...

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

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

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

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

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

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

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  9. Predict from the following chart

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

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

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  12. From the pedigree of a family given below, it is clear that trait is i...

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  13. In a family, father had a trait but mother did not. All their sons and...

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  14. Which gene is connected with multiple phenotypes?

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  15. If both parents are albino, all the offspring shall be

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  16. Albinism is due to nonsynthesis (absence) of melanin on account of abs...

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  17. A recessive trait in garden pea is

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  18. Which is correct about traits chosen by Mendel ?

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  19. "Gametes are never hybrid ". It is a statement of law of

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  20. 23 pairs of chromosomes can give rise to how many combinations?

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