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What Is Monohybrid Cross?

Ratio of comp...

Question

Ratio of complementary genes is:

A

9 : 3 : 4

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B

12 : 3 : 1

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C

9 : 3 : 3 : 4

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D

9 : 7

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Solution

The correct option is D 9 : 7
In complementary gene action, both the non-allelic pair independently produce similar phenotypes and when present together produce a new phenotype.
So that F2 ration 9 : 3 : 3 : 1 would becomes 9 : 7.

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Similar questions

Q. In complementary genes, the dihybrid ratio of 9 : 3 : 3 : 1 is modified to

Q. Match the genetic phenomena with their respective ratios.

	List I		List II
A	Inhibitory gene ratio	1	9:3:4
B	Complementary gene ratio	2	1:1:1:1
C	Recessive epistasis ratio	3	12:3:1
D	Dihybrid test cross ratio	4	9:7
E	Dominant epistasis ratio	5	13:3

Column I	Column II
A. Inhibitory gene ratio	1. 9 : 3 : 4
B. Complementary gene ratio	2. 1: 1: 1 : 1
C. Recessive epistasis ratio	3. 12 : 3 : 1
D. Dihybrid test cross ratio	4. 13 : 3
E. Dominant epistasis ratio	5. 9: 7

Match the column given above, genetic phenomena with their respective ratios.

49^{- 5} \times 49^{3}

$7 + (49 \div (2 \times 3 + 1)) - 13 =$

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