genetic fingerprint

noun
🔊/dʒəˌnetɪk ˈfɪŋɡəprɪnt/
🔊/dʒəˌnetɪk ˈfɪŋɡərprɪnt/
(also DNA fingerprint)
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  1. the particular pattern of genes in an individual person, especially used to identify somebody or find out if somebody has committed a crimeDNA 指纹;基因指纹Topics Crime and punishmentc2