DNA and Genetics Quiz

What is an allele?

• A nuclear cell structure that contains DNA

• An alternative form of a gene

• A method of separating molecules

• A sequence of repeating bases in DNA

What does a chromosome contain?

• Proteins

• Lipids

• DNA

• Carbohydrates

What is the Combined DNA Index System (CODIS)?

• A method of DNA amplification

• A genetic variation where one nucleotide is substituted for another

• The FBI’s computerized criminal DNA databases

• A sequence of repeating bases in DNA

What is DNA (deoxyribonucleic acid)?

• A type of protein

• The genetic material of all living things

• A method of separating molecules

• A picture of paired chromosomes

What is DNA phenotyping used for?

• Predicting physical appearance and ancestry

• Amplifying tiny amounts of DNA

• Identifying a person based on genetic code

• Separating molecules according to size

What is a DNA profile (fingerprint)?

• A sequence of repeating bases in DNA

• A pattern of DNA fragments obtained by analyzing unique sequences

• A method of amplifying DNA

• A picture of paired chromosomes

What is DNA profiling?

• A technique to identify a person based on genetic code

• A method of separating molecules

• A sequence of repeating bases in DNA

• A type of genetic variation

What is electrophoresis used for?

• Predicting physical appearance

• Separating molecules according to size

• Identifying a person based on genetic code

• Amplifying tiny amounts of DNA

What is familial searching?

• Using CODIS to search for relatives of unknown persons

• A method of amplifying DNA

• A sequence of repeating bases in DNA

• A type of genetic variation

What is forensic genealogy?

• Identifying a subject by comparing their DNA to family members

• A method of amplifying DNA

• A sequence of repeating bases in DNA

• A type of genetic variation