Definition of Muller's ratchet in English:

Muller's ratchet

(also Muller ratchet, Muller's Ratchet)

noun ˌmʊləz ˈratʃɪt

Genetics

A hypothetical mechanism having the effect of invariably increasing the number of harmful mutations in a population of asexually reproducing organisms, since genotypes with the fewest harmful mutations will be among those lost at random in an irreversible manner (likened to a ratchet).

Origin

1970s; earliest use found in Genetics. From the genitive of the name of Hermann Joseph Muller, U.S. geneticist, who proposed the theory in 1964 (Mutation Res. 1 2) + ratchet. In some forms from Muller + ratchet.

Definition of Muller's ratchet in US English:

Muller's ratchet

(also Muller ratchet, Muller's Ratchet)

nounˌmʊləz ˈratʃɪt

Genetics

A hypothetical mechanism having the effect of invariably increasing the number of harmful mutations in a population of asexually reproducing organisms, since genotypes with the fewest harmful mutations will be among those lost at random in an irreversible manner (likened to a ratchet).

Origin

1970s; earliest use found in Genetics. From the genitive of the name of Hermann Joseph Muller, U.S. geneticist, who proposed the theory in 1964 ( Mutation Res 1 2) + ratchet. In some forms from Muller + ratchet.

单词	Muller's ratchet
释义	Definition of Muller's ratchet in English: Muller's ratchet (also Muller ratchet, Muller's Ratchet) noun ˌmʊləz ˈratʃɪt Genetics A hypothetical mechanism having the effect of invariably increasing the number of harmful mutations in a population of asexually reproducing organisms, since genotypes with the fewest harmful mutations will be among those lost at random in an irreversible manner (likened to a ratchet). Origin 1970s; earliest use found in Genetics. From the genitive of the name of Hermann Joseph Muller, U.S. geneticist, who proposed the theory in 1964 (Mutation Res. 1 2) + ratchet. In some forms from Muller + ratchet. Definition of Muller's ratchet in US English: Muller's ratchet (also Muller ratchet, Muller's Ratchet) nounˌmʊləz ˈratʃɪt Genetics A hypothetical mechanism having the effect of invariably increasing the number of harmful mutations in a population of asexually reproducing organisms, since genotypes with the fewest harmful mutations will be among those lost at random in an irreversible manner (likened to a ratchet). Origin 1970s; earliest use found in Genetics. From the genitive of the name of Hermann Joseph Muller, U.S. geneticist, who proposed the theory in 1964 ( Mutation Res 1 2) + ratchet. In some forms from Muller + ratchet.
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