DNA

Question 1

True or False:
Discrimination power is a numerical way of expressing how often two people are different.

Answer 1

False

Question 2

True or False:
Over 99% of human DNA is the same from person-to-person.

Answer 2

True

Question 3

PCR is an abbreviation for…

Answer 3

Polymerase Chain Reaction

Question 4

True or False:
In 1985, Alec Jeffreys discovered the Polymerase Chain Reaction.

Answer 4

False

Question 5

The ______
arm of the chromosome is the long arm, and the
_______ of the chromosome is the short arm.

Answer 5

Q, P

Question 6

True or False:
Polymorphic is the existence of two or more variants at significant frequencies in the general population.

Answer 6

True

Question 7

True or False:
Histones are small, very acidic proteins that help to package DNA.

Answer 7

False

Question 8

DNA polymorphisms of forensic relevance generally come in two varieties:
_________ and ___________

Answer 8

Sequence polymorphisms, length polymorphisms

Question 9

Everyone gets ___________________ of their DNA from their mom and ________________ from their dad.

Answer 9

1/2, 1/2

Question 10

There are _______________ types of histones.

Answer 10

5

Question 11

In 1988, a local baker, __________________________________ , was arrested, tried, convicted, and sentenced to live for committing two sexual assault/murders. What makes this case unique is that it was the first to be solved using DNA.

Answer 11

Colin Pitchfork

Question 12

DNA is the exact same in every cell of the human body.

Answer 12

False

Question 13

DNA is made up of a simple alphabet containing four letters

Answer 13

CGAT

Question 14

True or False:
No two people (except maybe identical twins) will share the same DNA profile, but even identical twins will have unique fingerprints.

Answer 14

True

Question 15

The human genome consists of 23 pairs of chromosomes: 44 _________________ chromosomes and 2 sex chromosomes (X & Y), for a total of 46 chromosomes

Answer 15

autosomal

Question 16

True or False:
In 1985, Kary Mullis discovered that DNA polymorphisms would allow for human identification.

Answer 16

False

Question 17

What does the abbreviation DNA stand for?

Answer 17

Deoxyribonucleic Acid

Question 18

A nucleosome consists of __________________ basepairs of DNA and ______________ histone protein molecules.

Answer 18

146, 8

Question 19

If the amount of DNA in a sample is quantified and found to contain 1.5 ng of total DNA, approximately how many diploid cells worth of DNA is in that sample?

Answer 19

227