Q. 21

Study the f

Answer :

Here the parents are dihybrid in nature as dihybrids are two individuals differing in two different contrasting pairs of characters. In the given example the parents are differing in two characters, i.e., shape (round and wrinkled) and color (yellow and green). A cross between two pure-breeding dominant and recessive parents gives heterozygous dominant offspring. All F1 progeny in this cross will have genotype RrYy and will exhibit round and yellow phenotype. Self cross in F1 progeny gives F2 generation and follow law of independent assortment of characters.


So,


F1 – Rr Yy X Rr Yy


Round, yellow Round, yellow

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