crossbreeding
Học thuậtThân thiện
Definition
- Noun:
- The act or process of breeding animals or plants of different varieties, breeds, or species to produce offspring (hybrids). This is the primary biological and agricultural meaning.
- Reproduction between individuals of different races, especially in a human context. This usage is dated and carries historical and social connotations.
Usage and Examples
- Noun:
- The crossbreeding of different wheat varieties has resulted in a more disease-resistant crop. (Here, 'crossbreeding' refers to the agricultural practice.)
- Modern dog breeds were developed through selective crossbreeding. (This example shows its use in animal husbandry.)
- (Historical/Dated) Laws prohibiting crossbreeding were unjust and racist. (This illustrates the term's application in human social contexts.)
Advanced Usage and Notes
- Technical Context: In genetics and biology, 'crossbreeding' is a controlled process to combine desirable traits from two different genetic lines. It is often synonymous with in this context.
- Social Context: When referring to humans, the term is largely considered archaic and offensive due to its association with discredited racial theories. Modern, neutral terms like or are preferred.
Variants and Related Words
- Crossbreed:
- Verb: To breed (animals or plants) using crossbreeding. They aim to crossbreed the two species.
- Noun: An animal or plant produced by crossbreeding; a hybrid. The labradoodle is a popular crossbreed.
- Hybridization (n): The scientific process of creating hybrids, very similar in meaning to 'crossbreeding' in biological contexts.
- Interbreeding (n): A more general term that can mean breeding within the same group () or between different groups (). Context is key.
Synonyms
- Hybridization (for plants/animals)
- Interbreeding (general)
- Cross-hybridization (technical)
Antonyms
- Inbreeding: Breeding between closely related individuals.
- Purebreeding: Breeding within a single, recognized breed or variety to maintain specific characteristics.
Noun
- reproduction by parents of different races (especially by white and non-white persons)
- (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids