Question

A cross was made between pure breeding pea plants, one with round and green seeds and the other with wrinkled and yellow seeds. (a) write the phenotype of F1 progeny. give reason for your answer. (b) Write the different types of F2 progeny obtained along with their ratio when F1 progeny was selfed

Answer 1

a) the phenotype of f1 progeny is round and yellow seeds Parents-RRyy rrYY Gametes-Ry rY Offsprings-RrYy b) RrYy when crossed with RrYy the offsprings or f2 progeny are RRYY,RRyy,rrYY, The ratio of phenotype is 9:3:3:1