Word: DNA Fingerprint
Definition:
A DNA fingerprint is a unique pattern that comes from examining a person's DNA. DNA is the material in our cells that carries genetic information. Each person's DNA is different, which means each person's DNA fingerprint is also different. This method is often used in science and law to identify individuals, especially in criminal cases.
Usage Instructions:
- You can use "DNA fingerprint" when talking about forensic science, genetics, or law enforcement. - It is a noun, so it can be the subject or object in a sentence.
Example Sentence:
- The police used a DNA fingerprint to identify the suspect in the robbery.
Advanced Usage:
In more advanced discussions, you might see "DNA fingerprinting" used as a verb phrase to describe the process of creating a DNA fingerprint.
Word Variants:
- DNA Fingerprinting (noun): The process of creating a DNA fingerprint.
- Biometric Identification (noun): A broader term that includes DNA fingerprinting as well as other methods of identifying individuals using biological data.
Different Meanings:
In general conversation, "fingerprint" can also refer to the unique pattern of ridges on a person's fingers, which is used for identification. However, "DNA fingerprint" specifically refers to genetic identification.
Synonyms:
- Genetic fingerprint - DNA profiling
Idioms and Phrasal Verbs:
There are no direct idioms or phrasal verbs that include "DNA fingerprint," but you might hear phrases related to the idea of "leaving a mark," which can imply a lasting impression or identification, similar to how a DNA fingerprint can uniquely identify someone.
Summary:
A DNA fingerprint is a unique identification method based on a person's DNA. It plays a crucial role in criminal investigations and helps to ensure that justice is served by accurately identifying individuals involved in crimes.