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How many true-breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
| 1. | 2 | 2. | 14 |
| 3. | 6 | 4. | 4 |
Other Reason
The number of contrasting characters studied by Mendel for his experiments was:
| 1. | 14 | 2. | 4 |
| 3. | 2 | 4. | 7 |
Other Reason

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