dominant gene
[/ˈdɒmɪnənt dʒiːn/]
nounpl: dominant genes
gene dominante
1. An allele that expresses its phenotype even when inherited from only one parent; masks the expression of a recessive allele on the homologous chromosome
Brown eye color is a dominant gene, so a person with one brown allele and one blue allele will have brown eyes.
A cor dos olhos castanhos é um gene dominante, então uma pessoa com um alelo castanho e um alelo azul terá olhos castanhos.
2. A genetic factor that determines a trait and is expressed in the phenotype when present in either homozygous or heterozygous condition
Scientists studied the dominant gene responsible for the plant's height.
Cientistas estudaram o gene dominante responsável pela altura da planta.
This is scientific terminology used universally in biology education across English-speaking countries and Brazil/Portugal. The term is part of standard genetics curricula taught in high schools and universities. Understanding dominant and recessive genes is fundamental to modern biology and genetics literacy.
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