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artificial selection

Selective breeding for a specific purpose.


Darwin looked to artificial selection to find clues to what caused changes in organisms under natural conditions. He observed the efforts of selective breeding of pigeons, cattle, plants, and racehorses.


To change either the physical relation of chromosomes or the genetic sequence in an organism.


Unlike bacteria and viruses, which can mutate and adapt with astonishing speed, man cannot.


The comparative study of social organization in animals including humans especially with regard to genetic basis and evolutionary history.


Sociobiology is a field of study that attempts to understand present-day behaviors such as aggressiveness, competitiveness, or jealousy from an evolutionary perspective.

genetic code

The biochemical basis of heredity consisting of codons in DNA and RNA that determine the specific amino acid sequence in proteins and appear to be uniform for all known forms of life.


The genetic code directs the synthesis of proteins in all living things. The similarities in the genetic code between species are a measure of their genetic relatedness.


A science that deals with the improvement (by control of human mating) of hereditary qualities of a race or breed.


Eugenics is the idea that we should somehow apply principles to make us evolve into a superior species.

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