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Question

When two genes control a single character and have cumulative effect the ratio is _______

A
1:1:1:1
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B
1:4:6:4:1
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C
1:2:1
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D
1:6:15:20:15:6:1
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Solution

The correct option is C 1:2:1
When two genes present on the same loci give an additive or cumulative effect like the spotted and Dotted seed of Lens sps the ratio is 1:2:1
So, the correct answer is '1:2:1'

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