In pea, yellow seed colour is dominant over green colour. Heterozygous yellow seeded plant is crossed with green seeded plant. The ratio of yellow to green seeded offspring will be __________.

9 : 1

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1 : 3

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3 : 1

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50 : 50.

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Solution

The correct option is D 50 : 50.

A heterozygous yellow seeded plant(Yy) is crossed to homozygous recessive green seeded plant(yy). In the next generation 2 plants are heterozygous yelled seeded(Yy – 50%) and 2 plants are homozygous recessive green seeded(yy – 50%) are formed.
So, the correct optin is ’50:50’.

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