Match the terms in column I with their description in column II and choose the correct option. [2016]
| Column I | Column II | ||
| A. | Dominance | (i) | Many genes govern a single character |
| B. | Co-dominance | (ii) | In a heterozygous organism only one allele expresses itself |
| C. | Pleiotropy | (iii) | In a heterozygous organism both alleles express themselves fully |
| D. | Polygenic | (iv) | A single gene inheritance influences many characters |