Study the following cross and showing self-pollination in F 1, fill in the blank and answer the question that follows: In the above cross what are the combinations of character in the F 2 progeny? What are their ratios?

Question

Philoid · Accepted 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

So,

F₁ – Rr Yy X Rr Yy

Round, yellow Round, yellow

Study the following cross and showing self-pollination in F1, fill in the blank and answer the question that follows:In the above cross what are the combinations of character in the F2 progeny? What are their ratios?

Study the following cross and showing self-pollination in F_1, fill in the blank and answer the question that follows:

In the above cross what are the combinations of character in the F₂ progeny? What are their ratios?