In biology, a trait is a genetically inherited property. The alleles for a trait occupy the same locus on homologous chromosomes. If the alleles for a trait in one organism are different, the trait of the dominant allele shows in the phenotype.
... (1741-1788), French explorer of the Pacific
Meriwether Lewis, (1774-1809), leader of the first American expedition to cross the continent
David Livingstone, ...