animal breeding

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Thoroughbred stallion

The mouse at bottom is heterozygous with a mutant gene that gives it a spotted tail. The two mice above it are paramutated; they also have spotted tails even though they do not carry the gene for this trait.

Black Angus bull

sow and piglets

German Shepherd dog

Holstein-Friesian cow

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Photos

Thoroughbred stallion

The mouse at bottom is heterozygous with a mutant gene that gives it a spotted tail. The two mice above it are paramutated; they also have spotted tails even though they do not carry the gene for this trait.

Black Angus bull

sow and piglets

German Shepherd dog

Holstein-Friesian cow

See All Images →

Topics

breed association closed association open association purebred studbook herdbook heredity livestock farming breeding plant breeding cruelty to animals selective breeding artificial insemination inbreeding

Dig Deeper: More Articles That Discuss This Topic

Key People

Charles Colling

British stock raiser

Robert Colling

British stock raiser

Lancelot Thomas Hogben

English scientist

Whitney, John Hay

John Hay Whitney

American sportsman and businessman

William Woodward

American banker and racehorse owner

Hirsch Jacobs

American racehorse trainer

Robert Bakewell.

Robert Bakewell

British agriculturalist

Warren Wright

American horsebreeder and racehorse owner

George D. Widener

American racehorse owner