Question
Distinguish between monohybrid and dihybrid cross.
✓
Answer
| Monohybrid cross | Dihybrid cross |
| (i) Cross involving a single pair of contrasting characters is called monohybrid cross. | (i) Cross involving two pairs of contrasting characters is called a dihybrid cross. |
| (ii) F1 plants of monohybrid cross produce two types of gametes. | (ii) F1 plants of dihybrid cross produce four types of gametes. |
| (iii) Monohybrid cross has a phenotypic ratio of 3 : 1 in F2 generation. | (iii) Dihybrid cross has a phenotypic ratio of 9 : 3 : 3 : 1 in F2 generation. |
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