Question

Write the ratio of progeny of RRyy(round and green) cross with rrYY(wrinkled and yellow)

Answer 1

Ratio is that 9:3:3:1

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Answer 2

Dihybrid cross

Explanation:

• A cross is made between homozygous yellow round seeds(YYRR) to another homozygous green wrinkled seeds(yyrr).
• In the F1 generation, all plants are heterozygous yellow round (YyrRr). When this plant is subjected to self pollination, in the F2 generation,
• 9 plants are Yellow round, 3 plants are yellow wrinkled, 3 plants are green round and 1 plant is green wrinkled are formed.
• The dihybrid phenotypic ratio is 9:3:3:1.