- 1(current)
Q. No.Assuming independent assortment, the ratio of progeny with the genotypes AaBb : Aabb : aaBb : aabb from a dihybrid cross AabB X AaBb will respectively be:
| 1. | 4 : 3 : 2 : 1 | 2. | 4 : 4 : 2 : 1 |
| 3. | 4 : 2 : 2 : 1 | 4. | 4 : 2 : 1 : 1 |
Subtopic: Dihybrid Cross Analysis |
81%
Level 1: 80%+
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In a dihybrid cross between two pea plants with round and yellow seeds [heterozygous at both loci], the yellow and green color will segregate in a ratio:
1. 1 : 1
2. 3 : 1
3. 1 : 1 : 1 : 1
4. 9 : 3 : 3 : 1
1. 1 : 1
2. 3 : 1
3. 1 : 1 : 1 : 1
4. 9 : 3 : 3 : 1
Subtopic: Dihybrid Cross Analysis |
52%
Level 3: 35%-60%
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In a dihybrid cross, AaBb x AaBb, the fraction of the offspring that will be homozygous for both traits is:
| 1. | 1/16 | 2. | 1/8 |
| 3. | 3/16 | 4. | ¼ |
Subtopic: Dihybrid Cross Analysis |
Level 3: 35%-60%
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.