yellow (y) seeds is crossed with another pure pea plant – Discussion Forum

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Piyush365

Asked: September 29, 2025In: Class 10 Science

A pure pea plant having round (R), yellow (Y) seeds is crossed with another pure pea plant having wrinkled (r), green (y) seeds. Subsequently F1 progeny is self-pollinated to obtain F2 progeny. (a) What do the seeds of F1 generation look like? (b) Give the possible combinations of traits in seeds of F2 generation. Also give their ratio. (c) State the reason of obtaining seeds of new combination of traits in F2 generation.

(a) In the F1 generation, all seeds will be round and yellow, as round (R) and yellow (Y) are dominant traits. (b) F2 generation shows the following combinations: Round Yellow, Round Green, Wrinkled Yellow, Wrinkled Green, Ratio = 9 : ...