Observe the four crosses given below: A. TTrr × ttRR B. TtRr × ttrr C. TtRr × TTrr D. Ttrr × ttRr In which of the following crosses, 1: 1: 1: 1 ratio of progenies is obtained?

Question

Observe the four crosses given below: A. TTrr × ttRR B. TtRr × ttrr C. TtRr × TTrr D. Ttrr × ttRr In which of the following crosses, 1: 1: 1: 1 ratio of progenies is obtained?, A, C and D, A, B, C and D, B and D, A and B

MARKS App · Accepted Answer

1:1:1:1 is a dihybrid test cross phenotypic ratio. It is obtained when crossing is done between a hybrid and a recessive genotype when two gene locus is considered simultaneously.

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