Genetics
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Genetics is the study of genes, genetic variation, and heredity in organisms. It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustin
Portrait of Imre Festetics, the first geneticist and ethologist. His concepts of selection and evolution were later formulated in Charles Darwin's theory of evolution.
Morgan's observation of sex-linked inheritance of a mutation causing white eyes in Drosophila led him to the hypothesis that genes are located upon chromosomes.
Walther Flemming's 1882 diagram of eukaryotic cell division. Chromosomes are copied, condensed, and organized. Then, as the cell divides, chromosome copies separate into the daughter cells.
Siamese cats have a temperature-sensitive pigment-production mutation.
Genetic variation
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Genetic variation is the difference in DNA among individuals or the differences between populations among the same species. The multiple sources of genetic variation include mutation and genetic recom
Genetics
…Genetics is the study of genes, genetic variation, and heredity in organisms. It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian…
Darwin's finches or Galapagos finches
A range of variability in the mussel Donax variabilis
Darwin's finches by Gould