DNA Warm-Up #2

1

Match the key terms to their

Draggable item		Corresponding Item
intron		the basic unit (monomer) of DNA consisting of a 5-carbon sugar, phosphate group, and nitrogenous base
nucleotide		a method used during investigation to duplicate tiny amounts of DNA left at a crime scene
Combined DNA Index System (CODIS)		the FBI's computerized criminal DNA databases including the software used to run these databases launched in 1998
exon		the genetic material of all living things
polymerase chain reaction (PCR)		the portion of DNA that is expressed
deoxyribose nucleic acid (DNA)		noncoding sequences of DNA that regulate protein production

Recall that in biology you learned about Chargaff's rule which states that the % of Adenine in a DNA strand should always equal the % of Thymine, and the % of Cytosine should always equal the % of Guanine.
Adenine pairs with Thymine
Guanine pairs with Cytosine

1

Adenine, thymine, guanine, and cytosine are all examples of __________.

1

What is the complementary DNA strand for the following DNA segment?

TATATCG
__________

1

What is the sex of this individual?

1

Which suspect is most likely connected to the murderous knife found at the crime scene?

1

STRs are located in __________, or noncoding segments of DNA.
Genes are also known as __________, portions of DNA that code for proteins that are eventually expressed.

1

Match the key terms to their

What is the sex of this individual?

Which suspect is most likely connected to the murderous knife found at the crime scene?

Describe what a short tandem repeat (STR) is in 1-2 sentences.