Multiple choice questions XXXV — task. Science CBSE, Class 10.

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1. Back cross is a cross between

F1 × Recessive
F1 × Dominant
F1 × F1
F1 × any parent

2. Homologous structures are

Dissimilar in origin, similar in function
Similar in origin and dissimilar in function
Dissimilar in origin and function both
Similar in origin and similar in function

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