Differentiate between the following:
Test cross and back cross
Test Cross: The test cross is the breeding of the dominant phenotype with the recessive phenotype.
Back cross: It is the breeding of F1 hybrid with one of the parents.
Test cross | Back cross |
1. The test cross is the breeding of dominant phenotype with the recessive phenotype. | 1. It is the breeding of F1 hybrid with one of the parent. |
2. All test crosses are back crosses. | 2. All back crosses are not test crosses. |
3. It is used to know the genotype of F1 individuals whether homozygous or heterozygous. | 3. It is used to improve a variety of breed by making a number of backcrosses. |