IndietroTraits and Variance definitions
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1/14IndietroSkip to main contentIndietroContinuous Trait
A characteristic that can assume any value within a range, often measured with decimals, like human height or weight. Categorical Trait
A characteristic sorted into distinct groups, with no intermediate values, such as flower color or Dalmatian spots. Threshold Trait
A characteristic expressed only when a combination of genetic and environmental factors surpasses a specific limit. Counting Trait
A characteristic measured in whole numbers, never fractions, like the number of eggs a bird lays. Complex Inheritance
A pattern involving multiple genes or environmental influences, often resulting in a wide range of phenotypes. Simple Inheritance
A pattern involving a single gene, typically following Mendelian ratios such as 3:1 or 9:3:3:1. Polygenic Inheritance
A pattern where multiple genes contribute additively or non-additively to a single phenotype, creating variation. Additive Allele
A gene variant that increases the effect on a phenotype, with each copy contributing to the trait's expression. Non-Additive Allele
A gene variant that does not contribute to the phenotype, even when present in the genotype. Phenotypic Category
A distinct observable group resulting from genetic combinations, calculated using specific formulas in polygenic traits. Mendelian Ratio
A predictable proportion of offspring phenotypes, such as 3:1, seen in simple inheritance patterns. F2 Generation
The group of offspring resulting from crossing two F1 individuals, often showing a range of phenotypes in polygenic traits. Parental Phenotype
The observable traits of the original organisms used in a genetic cross, used as a reference in inheritance studies. Genetic Formula
A mathematical expression used to determine gene count or phenotype number, such as '1/4^n' or '2n+1'.
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