NEET Biology question
Match column I with column II and select the correct option from the given codes.
| Column I | Column II | |---|---| | A. Multiple allelism | (i) | | B. Back cross | (ii) | | C. Test cross | (iii) Human blood groups | | D. Crossing over | (iv) Non-parental gene combination | | E. Recombination | (v) Non-sister chromatids |
Answer: (B)
Solution
Multiple allelism (A) is exemplified by human ABO blood groups — matching (iii). A back cross (B) involves crossing a hybrid back to one of its (here, dominant) parents, e.g., — matching (ii). A test cross (C) involves crossing with the homozygous recessive parent, e.g., — matching
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