DNA Flashcards
True or False:
Discrimination power is a numerical way of expressing how often two people are different.
False
True or False:
Over 99% of human DNA is the same from person-to-person.
True
PCR is an abbreviation for…
Polymerase Chain Reaction
True or False:
In 1985, Alec Jeffreys discovered the Polymerase Chain Reaction.
False
The ______
arm of the chromosome is the long arm, and the
_______ of the chromosome is the short arm.
Q, P
True or False:
Polymorphic is the existence of two or more variants at significant frequencies in the general population.
True
True or False:
Histones are small, very acidic proteins that help to package DNA.
False
DNA polymorphisms of forensic relevance generally come in two varieties:
_________ and ___________
Sequence polymorphisms, length polymorphisms
Everyone gets ___________________ of their DNA from their mom and ________________ from their dad.
1/2, 1/2
There are _______________ types of histones.
5
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.
Colin Pitchfork
DNA is the exact same in every cell of the human body.
False
DNA is made up of a simple alphabet containing four letters
CGAT
True or False:
No two people (except maybe identical twins) will share the same DNA profile, but even identical twins will have unique fingerprints.
True
The human genome consists of 23 pairs of chromosomes: 44 _________________ chromosomes and 2 sex chromosomes (X & Y), for a total of 46 chromosomes
autosomal