DNA Profiling Principles Quiz

What is the primary location of DNA within a cell?

• Cytoplasm

• Cell membrane

• Nucleus

• Ribosome

How many pairs of chromosomes are found in human cells?

• 22

• 23

• 25

• 24

What term is used to describe two identical alleles for a gene?

• Heterozygous

• Homozygous

• Dominant

• Recessive

What is the term for DNA regions that do not code for proteins?

• Coding DNA

• Non-coding DNA

• Mitochondrial DNA

• Ribosomal DNA

What was the non-coding DNA previously referred to as?

• Core DNA

• Essential DNA

• Junk DNA

• Functional DNA

What does VNTR stand for in the context of DNA?

• Variable Number Tandem Repeat

• Variable Nucleotide Tandem Repeat

• Variable Nucleotide Transcription Repeat

• Variable Number Transcription Repeat

What is the significance of polymorphism in DNA profiling?

• It causes mutations in coding regions.

• It makes DNA identical in all individuals.

• It allows for variation in non-coding regions.

• It prevents DNA from being used in forensic analysis.

How many highly variable loci are used in DNA profiling?

• 13

• 12

• 11

• 10

What is a locus in the context of DNA?

• A type of cell

• A type of gene

• A specific location on a chromosome

• A type of allele

Why is the number of repeats at each locus important in DNA profiling?

• It provides unique genetic information for identification.

• It determines the age of the individual.

• It indicates the individual's health status.

• It helps in identifying the individual's diet.