A) 1 : 1 : 1 : 1
B) 2 : 1 : 2
C) 3 : 1
D) 9 : 3 : 3 : 1
Correct Answer: D
Solution :
In dihybrid cross two contrasting characters are taken at a time. When a pure round yellow seeded (RRYY) Pea plant is corossed with a pure wrinkled green seeded (rryy) pea plant, then F, generation contain; all hybrid yellow round seeded (RrYy) offsprings. When selfing of these \[{{F}_{1}}\] is done then 9 : 3 : 3 : 1 ratio of different types of offsprings are as follow : 9?Yellow round seeded 3?Yellow wrinkled seeded 3?Green round seeded 1?Green wrinkled seeded.
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