Question

why are fingerprints considered unique? no two individuals have the same fingerprint; they only appear on fingers; they change over time; they are identical for twins

Explanation:

Fingerprints are unique because their ridge patterns (loops, whorls, arches) and minutiae (ridge endings, bifurcations) are formed by a combination of genetic and developmental factors. Even identical twins, who share DNA, have different fingerprints due to random variations in fetal development. The key trait defining their uniqueness is that no two individuals (including twins) have identical fingerprint patterns.

Answer:

A. No two individuals have the same fingerprint