I am adamant, however, where cabbies and chauffeurs are concerned. But in all the good things which he lacked, we were confirmed like adamant to defy him. Peter Dawson was adamant, but he was a voice crying in the wilderness. This adamant stand should not have surprised the Secretary of Defense. Her father was adamant in his belief that Jadoo and nothing else accounted for her state.
Chicks atop a picture of a genetic map of a chicken. A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species. It can be described as a variation (which may arise due to mutation or alteration in the genomic loci) that can be observed.
genetic marker. 1  a phenotypic character that can be assigned to a GENE to mark its position on the GENOME.  a characteristic feature of the GENOTYPE, such as a NUCLEOTIDE signature, gene or HETEROCHROMATIC region, that can be used to track a particular individual, TISSUE, CELL, NUCLEUS, CHROMOSOME, PLASMID or gene.