What does "genetic marker" mean?

A gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.

Genetic marker

Common synonyms include: biological characteristic, cellular marker, dna marker, dna tag, dna-based, dna-based descriptor.

noun

noun ·Rare ·Advanced level

Noun

1
A gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.
2
a specific gene that produces a recognizable trait and can be used in family or population studies wordnet