qualitative trait
[kwɑːlɪtətɪv treɪt]
nounpl: qualitative traits
característica qualitativa
1. A characteristic or feature of an organism that is determined by one or a few genes and shows distinct categories with no intermediate forms; a trait controlled by discrete genetic factors
Eye color in fruit flies is a qualitative trait that exhibits distinct phenotypes.
A cor dos olhos em moscas-das-frutas é uma característica qualitativa que apresenta fenótipos distintos.
2. In genetics, a trait that varies in kind rather than in degree, producing discrete classes rather than a continuous range
Blood type is a qualitative trait with four distinct categories: A, B, AB, and O.
O tipo sanguíneo é uma característica qualitativa com quatro categorias distintas: A, B, AB e O.
This term is primarily used in scientific and academic contexts, particularly in genetics courses and research. It is universally understood in both Brazilian Portuguese and European Portuguese scientific communities. The concept is fundamental to understanding Mendelian genetics and is taught in high school and university biology curricula across Portuguese-speaking countries.
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