genotype

Inherited allele set

A genotype is the genetic makeup of an organism—the specific combination of alleles inherited from its parents.

The term contrasts with phenotype, which is the observable characteristics that result from those genes interacting with environment: Two plants with identical genotypes may show different phenotypes when grown in different conditions.

In medical contexts, genotyping identifies genetic variants relevant to disease risk or drug response.

allelic

allele

Gene variant at one locus

homozygous · heterozygous · codominance · wild-type · polymorphism · mutation · penetrance · expressivity · linkage · recombination

heredity

inheritance

Property received from ancestors

lineage · progeny · descendants · transmission · familial · hereditary · parent · offspring · carrier · genetic counseling

variation

mutation

Permanent DNA alteration

genetic drift · gene flow · bottleneck · recombination · microsatellite · variant · mutant

molecular

chromosome

DNA strand carrying genes

cytosine · guanine · base pair · double helix · DNA · RNA · codon · genetic code · sequencing · polymerase

phenotype

trait

Distinguishing personal quality

morphology · observable · manifestation · character · variation

evolution

natural selection

Differential reproductive success

phylogeny · genetic drift · gene flow · selection pressure · common ancestor · divergence · microevolution · macroevolution · evolutionary biology

Categories
Opposites
genetic vs. expressed characteristics

genotypephenotype

Observable characteristics of organism

physical traits · morphology · appearance · physiology · behavior

inherent vs. environmental determination

genotypeenvironment

External conditions affecting life

nurture · environmental factors · environmental influence · plasticity · conditioning

Family

genotypes, genotyping

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