Genotype
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<speciesfyi-glossary slug="genotype"></speciesfyi-glossary>Definition
The complete set of genes or genetic constitution of an organism, determining its potential characteristics.
Detailed Explanation
The same genotype can produce different phenotypes in different environments — this plasticity is called norm of reaction. Identical twins share genotype but diverge phenotypically with age due to epigenetic changes and different experiences. Conservation geneticists analyze genotypes to detect inbreeding, assign parentage, identify cryptic species, and estimate effective population sizes critical for management decisions.