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8 terms

Genetic Variation Glossary

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Phenotype
External physical characteristics of an organism determined by genes and the environment
Genotype
All the gens found in an organism which determine their phenotype
Meiosis
Cell division that provides the opportunity to introduce genetic variation by gamete formation 1. Crossing over 2. Random fusion of gametes 3. Random independent assortment
Mutations
Spontaneous change in a gene or chromosome, perhaps as a result of mutagen
Allele
The form of a gene, could be, alternative form of a gene
Gene
Section of DNA that codes information for making an amino acid - which codes for a protein
Inter specific Variation
Species that differ from another species
Intra specific Variation
Members of the same species that differ from each other