Forensic Science Spring Final 2021

Except for identical twins, no two people on earth have the same:

• physical characteristics.

• DNA.

• skeletal type.

• blood group.

People are always shedding cells. Therefore DNA can be recovered from:

• saliva

• skin cells

• semen

• all of these

The term that describes a picture of homologous pairs of human chromosomes is:

• karyotype.

• genetics.

• archetype.

• All of these choices.

The 95 percent of noncoding DNA is involved in:

• blueprint production.

• genetic material.

• cell regulation.

• DNA fingerprinting.

DNA in chromosomes is called

• DNA.

• DNA chromosomes.

• nuclear DNA.

• structural DNA.

Alternate forms of a gene are called:

• chromosomes

• DNA.

• RNA.

• alleles.

The total amount of DNA in a cell, which is contained in the cell's nucleus (nuclear DNA) and mitochondria (mtDNA), is called the human:

• RNA.

• gene.

• allele.

• genome.

The DNA of every organism on earth is made of the same four

• restriction enzymes.

• nitrogenous bases.

• polymerase chain reaction (PCR).

• electrophoresis.

• short tandem repeat (STR).

__________ are variable regions of DNA that repeat.

• Restriction enzymes

• Nitrogenous bases

• Polymerase chain reaction (PCR)

• Electrophoresis

• Short tandem repeat (STR)

What material is used to isolate and cut DNA?

• restriction enzymes

• nitrogenous bases

• polymerase chain reaction (PCR)

• electrophoresis

• short tandem repeat (STR)