Galton's law of inheritance

variants: or Galton's theory of inheritance

Definition of Galton's law of inheritance 

: a theory in genetics: the parents of an individual together contribute on an average 50 percent of the total inherited characters, the 4 grandparents together 25 percent, the 3d generation of ancestors together 12.5 percent, etc. — compare mendel's law

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History and Etymology for Galton's law of inheritance

after Sir Francis Galton, its formulator

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