backcrossing
crossing of a hybrid with one of its parents or an individual genetically similar to its parent, in order to achieve offspring with a genetic identity which is closer to that of the parent
en-US/ˈbækˌkɹɑsɪŋ/
en-GB/bækkɹɒsɪŋ/
crossing of a hybrid with one of its parents or an individual genetically similar to its parent, in order to achieve offspring with a genetic identity which is closer to that of the parent