selective breeding

noun

: the process of modifying the characteristics of living things especially to enhance one or more desirable traits by selection in breeding controlled by humans
After about three years of selective breeding, their company, Cavendish Game Birds, was able to deliver quail that consistently dressed out to seven or eight ounces. Warren Schultz
Selective breeding continues in an attempt to enhance the human use of this economic plant against a background of disappointingly low rubber content … John M. Miller and Ralph A. Backhaus
Fixed through selective breeding, traits could vanish over several generations if people became careless in choosing their dogs' mates. Mark Derr

called also artificial selection

Examples of selective breeding in a Sentence

Recent Examples on the Web
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Through selective breeding, the domestic silk moths became less capable of flight and evading predators, eventually relying entirely on human care for their survival. Scott Travers, Forbes, 4 Mar. 2025 Micro bullies emerged after two decades of selective breeding the most petite American bullies, an article from New Pitbull stated. Gordon G. Chang, Newsweek, 3 Mar. 2025

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of selective breeding was in 1863

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Cite this Entry

“Selective breeding.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/selective%20breeding. Accessed 30 Mar. 2025.

Last Updated: - Updated example sentences
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