MCQOPTIONS
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| 1. |
Blood grouping in humans is controlled by |
| A. | 3 alleles in which A is dominant. |
| B. | 3 alleles in which none is dominant. |
| C. | 3 alleles in which AB is codominant. |
| D. | 4 alleles in which A is dominant. |
| Answer» D. 4 alleles in which A is dominant. | |