DNA Profiling

Front

What is population genetics?

Back

Population genetics is the study of the variation in genes among a group of individuals.

Front

What is karyotyping?

Back

Karyotyping is the analysis of chromosomes, originally developed by geneticists.

Front

What is nuclear DNA?

Back

Nuclear DNA is the DNA found in chromosomes, which contains the genetic information of an organism.

Front

What is a DNA probe?

Back

A DNA probe is a molecule labeled with a radioactive isotope, dye, or enzyme that is used to locate a particular sequence or gene on a DNA molecule.

Front

Is DNA considered trace evidence?

Back

False, DNA is considered individual evidence as it can identify a specific person.

Front

What is the role of DNA profiling in forensic science?

Back

DNA profiling is used to identify individuals based on their unique DNA patterns, aiding in criminal investigations and paternity testing.

Front

What are the main steps in DNA profiling?

Back

The main steps in DNA profiling include DNA extraction, amplification (using PCR), and analysis (using techniques like gel electrophoresis).

Front

What is the significance of STRs in DNA profiling?

Back

Short Tandem Repeats (STRs) are regions of DNA that are highly variable among individuals, making them useful for distinguishing between different DNA samples.

Front

How does PCR (Polymerase Chain Reaction) contribute to DNA profiling?

Back

PCR amplifies specific DNA sequences, allowing for the analysis of small samples of DNA.

Front

What is the difference between mitochondrial DNA and nuclear DNA?

Back

Mitochondrial DNA is inherited maternally and is found in mitochondria, while nuclear DNA is inherited from both parents and is found in the nucleus.