Definition, Meaning & Synonyms
dominant-gene
Noun
/ˈdɒmɪnənt dʒiːn/
Definition
A dominant gene is a variant of a gene that will produce a certain phenotype (trait) even in the presence of another variant (allele).
Examples
- If one parent has a dominant gene for brown eyes, the child is likely to have brown eyes as well.
- The dominant gene for height can lead to taller offspring, regardless of the allele present from the other parent.
Meaning
Dominant genes are responsible for producing traits that are visible in an organism, overriding the effects of recessive genes when both are present.
Synonyms
- trait-defining gene
- expressive gene
- phenotype gene
