DNA/Blood Review

Blood Antigens and Antibodies

100

What is the name of the antigen found on red blood cells in individuals with type A blood?

What is A antigen?

200

Which blood type is considered the universal donor and why?

What is O negative? because it has no A or B antigens 

300

What happens during an ABO blood type mismatch in a transfusion?

What is blood clotting (agglutination)?

400

Name the antibodies present in the blood of a person with type O blood.

What are anti-A and anti-B antibodies?

500

Explain the significance of Rh factor in blood grouping.

What is making blood + or -? + when the antigen is present and - when the antigen is absent.

Blood Patterns

100

Blood dripping from an object is this velocity blood stain.

Low

200

Angle that blood fell from if it's a perfect circle.

90 degrees

300

Types of transfer bloodstains.

Wipe or swipe

400

This type of pattern is created when a weapon swings and deposits blood.

Cast off

500

This type of bloodstain results when a major artery has been hit.

Arterial spray

Is It Blood?

100

This type of test indicates the likelihood that blood is present.

Presumptive Test

200

A positive test result for this test shows evidence glowing.

Luminol

300

A positive test result for this test turns a Q-Tip pink or purple.

Kastle Meyer

400

Blood alone is this type of evidence.

Class

500

This test uses rabbit serum to determine if blood is human or not.

Precipitin test

DNA Applications

100

DNA has this charge.

Negative

200

This protein cuts DNA at specific sites.

Restriction enzymes

300

This process creates copies of DNA to create a larger sample size.

PCR - Polymerase Chain Reaction

400

This is a collection of databases of stored DNA profiles.

CODIS

500

Cut DNA using the RE that recognizes A/TT

GCAATTCCGTATT

How many fragments are produced? Length of fragments?

3

2, 4, 7