Specific Combining Ability
What is Specific Combining Ability? – Definition
Specific combining ability is a performance of a parent under consideration, in a specific cross.
Features of Specific Combining Ability
- It represents deviation from gca.
- It is due to dominance genetic variance and all the three types of gene interactions
- Helps into identification and hence selection of best cross combinations i.e. those with the desired output.
- When we see that a inbred line combines well in any cross, it is due to specific combining ability.
- Estimated by full sib mating
- Have relationship with heterosis
Read general combining ability another type in the concept.