DNA Analysis

Question 1

Do red blood cells have DNA?

Answer 1

No they have no neuclus

Question 2

What form does nuclear DNA come in?

Answer 2

Double-helix

Question 3

How many genes do humans have?

Answer 3

Approximately 30,000

Question 4

How is DNA separated?

Answer 4

Electrophoresis

Question 5

What is the goal of DNA analysis?

Answer 5

To associate a piece of evidence with as few people as possible

Question 6

When is DNA considered a match?

Answer 6

When there is no significance between the two samples.

Question 7

How much DNA is needed for forensic profiling?

Answer 7

<0.5ng

Question 8

Which DNA does genetic profiling focus on?

Answer 8

Nuclear DNA

Question 9

How many base pairs are in a human genome?

Answer 9

Roughly 6.4B

Question 10

What is a locus?

Answer 10

A site within a genome

Question 11

What is the composition of the human genome?

Answer 11

3% genes, 17% gene related and 80% junk DNA

Question 12

What is a tandem repeat?

Answer 12

A section of DNA that is sequentially repeated. Divided into satellites (<1000bp), minisattelites (9-100bp) and microsattelites (2-6bp)

Question 13

When did australia first use forensic DNA analysis?

Answer 13

1989