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Question

The genotype of F1 hybrid produced by crossing pure yellow round seeded plant with green wrinkled seeded plant is


A

Double homozygous

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B

Double heterozygous

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C

Homozygous for one character and heterozygous for the other

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D

Homozygous for both characters

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Solution

The correct option is B

Double heterozygous


In a typical dihybrid cross, the F1 hybrid is heterozygous for both the characters. Since both the parents are pure homozygous for contrasting traits, the offspring would be heterozygous dominant. YYRR × yyrr YyRr.


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