General Combining Ability

What is General Combining Ability? – Definition

General combining ability is an average performance of a individual in a particular series of crosses.

Feature of General Combining Ability

  • It is due to additive genetic variance and additive x additive gene interaction.
  • It denotes combining ability of genotype esp. inbred with various testers.
  • Helps in identification and selection of best genotype to use it in hybridization, as a parent.
  • Estimated by half sib mating
  • Have relationship with narrow sense heritability

Read specific combining ability, the another type in the concept.