MCQOPTIONS
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| 1. |
More men suffer from colour blindness than women because |
| A. | women are more resistant to disease than men |
| B. | the male sex hormone testosterone cause the disease |
| C. | the colour blind gene is carried on the ‘Y’ chromosome |
| D. | men are hemizygous and one defective gene is enough to make them colour blind |
| Answer» E. | |