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B
Dihybrid cross
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C
Back cross
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D
Reciprocal cross
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Solution
The correct option is C Reciprocal cross
A. Test cross is the cross of individuals with its homozygous recessive parent.
B. Dihybrid cross is a cross involving two pairs of contrasting characters.
C. Back cross is the cross of hybrids of F1 generation with either of its parents.
D. Reciprocal cross is the cross that could be made either way or independent of the sex of the parents.
Since hinny is the offspring of female donkey and male horse and mule is the offspring of male donkey and female horse, they are examples of reciprocal cross as the sex of parents is reversed in both the cases.