Between Populations
Geographic variation in genes often occurs among populations living in different locations. Geographic variation may be due to differences in selective pressures or to genetic drift.
Read more about this topic: Genetic Variation
Famous quotes containing the word populations:
“The populations of Pwllheli, Criccieth,
Portmadoc, Borth, Tremadoc, Penrhyndeudraeth,
Were all assembled. Criccieth’s mayor addressed them
First in good Welsh and then in fluent English,”
—Robert Graves (1895–1985)