intercrossing

/ˌɪntərˈkrɔsɪŋ/
noun
  1. The act or process of mixing or crossing different types, breeds, or varieties, especially in biology or genetics.
    • Farmers use intercrossing to develop crops that are more resistant to disease.
    • Intercrossing between two species of finches led to a population with unique beak shapes.
    • The intercrossing of different rose varieties created a beautiful new hybrid.
Antonyms
verb
  1. To mix or cross (different types, breeds, or varieties) together.
    • The biologist intercrossed the two strains of bacteria to study their offspring.
    • They intercrossed the dogs to produce a litter with a calmer temperament.
    • Gardeners often intercross different tomato plants to get better fruit.