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

1 : 1 : 1 : 1

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1 : 4 : 6 : 4 : 1

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1 : 2 : 1

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

The correct option is C 1:2:1When 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 1:2:1So, the correct answer is '1:2:1'

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'