Phenotype

Science / Marine Biology / Phenotype: The physical appearance of an individual that is the result of that individual's genotype and the interaction of the genotype with the environment during development. Hence, individuals with the same genotype may have different phenotypes in different environments. Compare genotype.

Pleiotropy

Science / Genetics / Pleiotropy: The phenomenon of variable phenotypes for a number of distinct and seemingly unrelated phenotypic effects. MORE

Heterogeneity

Science / Genetics / Heterogeneity: The production of identical or similar phenotypes by different genetic mechanisms. MORE

Dominant

Science / Biology / Dominant: Refers to an allele of a gene that is always expressed in heterozygotes. MORE

Genotype

Science / Biology / Genotype: The genetic (alleleic) makeup of an organism with regard to an observed trait. MORE

Phenotypic Plasticity

Science / Marine Biology / Phenotypic Plasticity: The capacity of an individual to produce different phenotypes under different conditions. Non-genetic potential variability within the range of a single individual. MORE

Marker

Science / Genetics / Marker: A gene with a known location on a chromosome and a clear-cut phenotype, used as a point of reference when mapping a new mutant. MORE

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