It's all about the Base
How is it made?
You be Gellin'
DNA Basics
Whose is it?
100

What are the 4 nitrogenous bases in a DNA molecule?

Adenine, Guanine, Thymine, Cytosine


Extra points!!  Which one do you find in RNA?    (200 extra points)

100

DNA is in what shape?

Double Helix


Extra points!!!   Who discovered the shape of DNA?  (200 points)

100

What charge is DNA (positive or negative)?

Negative

100

DNA evidence is considered what type of evidence?

Individual


Extra points!!!  What other type of evidence is considered to be individual evidence besides DNA?   (200 points)

100

Which suspect matches most with the control P?

Suspect 2

200

Adenine is the complementary base for which other nitrogen base?

Thymine

200

The non-coded segments of DNA that contain unique patterns of repeated base sequences that are unique to individuals are called:

polymorphisms

200

During gel electrophoresis, electrodes are added so that:

So that DNA will travel to the other end.

200

The process of DNA fingerprinting was invented by:

Alec Jeffries

200

Which suspects' DNA matches the evidence?

Suspect 2

300

Guanine is the complementary base for which other nitrogen base?

Cytosine

300

What is the name of the enzyme that unzips the DNA strand in replication?  (Worth up to 600 pts)

Helicase

300

What enzyme is used during PCR to pair complementary bases to the template strand?

DNA polymerase

300

Most human cells have how many chromosomes?

46


Extra points!!!   How did we get this number of chromosomes?  (200 points)

300

Which suspect matches the blood from the crime scene?


Suspect 3

400

What part of the DNA double helix do the nitrogenous bases make up?

The rungs


Extra points!!!   What are the bases again?  (200 points)

400

The leading strand in DNA replication is oriented in which direction?

5' to 3' direction

400

A method of separating DNA fragments according to their size and charge using an electric current passed through a gel containing the samples. (worth up to 800 points)

Gel Electrophoresis or just electrophoresis

400

DNA is found in what two organelles?

Nucleus and mitochondria

400

Is the husband or the lover the father of this child?

The lover is the father of this child.

500

What is the complementary strand for G C C A T A T T A C ?

C G G T A T A A T G


Extra points!!!   Why are DNA strands important for a crime scene?  (200 points)

500

The lagging strand replicates in which direction?

5' to 3' direction


Extra points!!!   Is it easier or more difficult to replicate the lagging strand? Why?  (300 points)

500

A method used to make millions of copies of a specific segment of DNA from a very small amount of DNA.

PCR


Extra points!!!  What was the very first method used?   (200 points)

500

Mitochondrial DNA is different from nuclear DNA because:

It is inherited only from the mother.

500

Which is the child's father? F1 or F2?

F1

M
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