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Forensic DNA Vocabulary

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Regions of the DNA that vary from one person to another

a)

loci

b)

DNA polymorphism

c)

primers

d)

electrophoresis

2.

This refers to having inherited different forms of a particular gene from each parent.

a)

heterozygous

b)

homozygous

c)

placebo

d)

loci

3.

This refers to having inherited identical forms of a particular gene from each parent.

a)

heterozygous

b)

homozygous

c)

STR

d)

locus

4.

This is a specific location on a chromosome.

a)

allele

b)

locus

c)

heterozygote

d)

specificus

5.

What are variations of a gene?

a)

homozygous

b)

loci

c)

allele

d)

gene frequency

6.

This is a technique to amplify (replicate) DNA.

a)

STR (Short Tandem Repeats)

b)

PCR (Polymerase Chain Reaction)

c)

locus

d)

electrophoresis

7.

These are laboratory-made fragments of DNA that are complementary to loci that we desire to be amplified (copied).

a)

alleles

b)

genes

c)

primers

d)

heterozygotes

8.

This is a technique for separating molecules (in this case, DNA fragments) based on their size.

a)

PCR (Polymerase Chain Reaction)

b)

STR (Short Tandem Repeats)

c)

electrophoresis

d)

exemplifying

9.

List the 3 steps to establishing a DNA profile in order.

a)

denature, anneal, extend

b)

extract, amplify, analyze

c)

anneal, amplify, analyze

d)

analyze, extract, amplify

10.

List the 3 steps of PCR in order.

a)

extract, amplify, analyze

b)

analyze, anneal, extend

c)

anneal, analyze, extend

d)

denature, anneal, extend

11.

DNA has what charge?

a)

negative

b)

positive

c)

neutral

d)

electrified

12.

These are non-variable segments of DNA that surround STRs.

a)

alleles

b)

flanking regions

c)

PCR

d)

loci

13.

This is the database maintained by the FBI that contains DNA profiles

a)

CODIS

b)

AFIS

c)

IBIS

d)

CARES