CBSE 2022 · Region 2 · Set 3 · Q15

Mendel blended his knowledge of Science and mathematics to keep the count of the individuals exhibiting a particular trait in each generation. He observed a number of contrasting visible characters controlled in pea plants in a field. He conducted many experiments to arrive at the laws of inheritance.

(a)

What do the F1 progeny of tall plants with round seeds and short plants with wrinkled seeds look like ?

(b)

What are recessive traits ?

(c)

Mention the type of the new combinations of plants obtained in F2 progeny along with their ratio, if F1 progeny was allowed to self pollinate. \[\]

(c)

OR If $\displaystyle 1600$ plants were obtained in F2 progeny, write the number of plants having traits:

(i)

Tall with round seeds

(ii)

Short with wrinkled seeds Write the conclusion of the above experiment.