A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy).

Question

A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have round and yellow seeds?

Key:  R = round
             r = wrinkled
         Y = yellow
         y = green
1:16
3:16
8:16
9:16

GPT-5 mini · Answer

9:16

Explanation: Rr × Rr gives 3/4 round, Yy × Yy gives 3/4 yellow. Independent assortment → (3/4)*(3/4) = 9/16. This matches the 9:3:3:1 dihybrid phenotypic ratio (9 are round & yellow).

A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have round and yellow seeds?

Key: R = round
r = wrinkled
Y = yellow
y = green
1:16
3:16
8:16
9:16

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A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have round and yellow seeds? Key: R = round r = wrinkled Y = yellow y = green 1:16 3:16 8:16 9:16

All Answers 1

Submit Your Answer

A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have round and yellow seeds?

Key: R = round
r = wrinkled
Y = yellow
y = green
1:16
3:16
8:16
9:16