Etymology
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genetic (adj.)
1831, "pertaining to origins," coined by Carlyle as if from Greek genetikos from genesis "origin" (see genesis). Darwin used it biologically as "resulting from common origin" (1859); modern sense of "pertaining to genetics or genes" is from 1908 (see gene). Related: Genetically. Genetical is attested from 1650s as "pertaining to origins."
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genetics (n.)
1872, "laws of origination;" see genetic + -ics. A coinage of English biologist William Bateson (1861-1926). Meaning "study of heredity" is from 1891.
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polygenetic (adj.)

"formed by several different causes or in several different ways," 1873, from poly- "many" + genetic.

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autogenetic (adj.)
"self-producing," 1865, see auto- + genetic. Related: Autogenic (1852); autogeny (1858); autogenesis (1859; by 1849 in German).
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clone (v.)

1959, from clone (n.). Extension to genetic duplication of animals and human beings is from 1970. Related: Cloned; cloning.

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plasmid (n.)

"genetic structure in a cell that can replicate independently of the chromosomes," 1952, from plasma + -id.

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inbred (adj.)
1590s, "native, produced within," also "inherent by nature," from in + bred. The genetic sense is attested from 1892 (see inbreeding).
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Down's Syndrome 

genetic disorder causing developmental and intellectual delays, 1961, from J.L.H. Down (1828-1896), English physician; chosen as a less racist name for the condition than earlier mongolism.

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genotype (n.)
"genetic constitution of an individual," 1910, from German Genotypus (Wilhelm Johannsen, 1909); see gene + type (n.). Earlier the same word was used with a sense of "type-species of a genus" (1897); in this case, the first element is from genus.
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dysgenics (n.)

 "study of the factors producing genetic deterioration, also loosely, "the carrying on of the species by the worst members," 1906, from dys- + ending from eugenics. Hence dysgenic "having or causing a detrimental effect on the race" (1909).

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