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Class 12th Biology 2014 Set1 Delhi Board Paper Solution

Question 10

A cross was carried out between two pea plants showing the contrasting traits of height of the plants. The result of the cross showed 50% parental characters.

(i) Work out the cross with the help of a Punnett square.

(ii) Name the type of the cross carried out.



(ii) The type of cross carried out here is a test cross. It is a cross in which an individual with an unknown dominant phenotype is crossed with an individual (parent) homozygous recessive for that trait.