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www.britannica.com/science/variation-biology

Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation).Variation may be shown in physical appearance, metabolism, fertility, mode of reproduction, behaviour, learning and ...

medical-dictionary.thefreedictionary.com/Variation+(biology)

variation /var·i·a·tion/ (var″e-a´shun) the act or process of changing; in genetics, deviation in characters in an individual from the group to which it belongs or deviation in characters of the offspring from those of its parents.

www.biology-online.org/dictionary/Variation

In biology, variation refers to the differences or deviations (e.g. in structure, form, function) from the recognized norm or standard. It may be a modification in structure, form or function in an organism, deviating from other organisms of the same species or group.

www.thefreedictionary.com/Variation+(biology)

Variation (biology) synonyms, Variation (biology) pronunciation, Variation (biology) translation, English dictionary definition of Variation (biology). n. 1. a. The act, fact, or process of varying. b. The extent or degree to which something varies: a variation of ten pounds in weight. 2. Something...

en.wikipedia.org/wiki/Variation_(biology)

For a given genome of a multicellular organism, genetic variation may be acquired in somatic cells or inherited through the germline. Forms. Genetic variation can be divided into different forms according to the size and type of genomic variation underpinning genetic change.

www.bbc.com/bitesize/guides/z9gk87h

Variation is the differences between individuals within a species. This can be caused by inherited or environmental factors. Variation can be continuous or discontinuous.

encyclopedia2.thefreedictionary.com/Variation+(biology)

variation, in biology: see Darwinism Darwinism, concept of evolution developed in the mid-19th cent. by Charles Robert Darwin. Darwin's meticulously documented observations led him to question the then current belief in special creation of each species.

biologydictionary.net/genetic-variation

Genetic Variation Definition. Genetic variation can be described as the differences between organisms caused by alternate forms of DNA. Genetic variation in combination with environmental variation causes the total phenotypic variation seen in a population.The phenotypic variation is what is seen by the observer; the height of a plant for instance. The environmental variation is the difference ...

study.com/academy/lesson/what-is-genetic-variation-sources...

Genetic variation is the variation in alleles and genes, both within and among populations. Think of a population as a family unit. Think of a population as a family unit.

www.yourgenome.org/facts/what-is-genetic-variation

Genetic variation is a term used to describe the variation in the DNA sequence in each of our genomes. Genetic variation is what makes us all unique, whether in terms of hair colour, skin colour or even the shape of our faces.