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Tardigrade
Question
Biology
When two hybrids rrTt and Rrtt are crossed, the phenotype ratio of offspring would be
Q. When two hybrids rrTt and Rrtt are crossed, the phenotype ratio of offspring would be
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CMC Medical
CMC Medical 2009
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A
3 : 1
B
9 : 3 : 3 : 1
C
1 : 1
D
1 : 1 : 1 : 1
Solution:
All the offsprings have different phenotypes. Therefore, the phenotypic ratio obtained by crossing rrTt and Rrtt is 1 : 1 : 1 : 1.