Why does DNA move towards the positive electrode?
More than one answer is correct
Because DNA is negatively charged
Because opposite charges attract
Because DNA is positively charged
10 repeats, that are each 4 bases long, creates a DNA fragment that is _____ bases long.
6 bases
10 bases
40 bases
14 bases
The longest DNA fragments travel the least distance.
False
True
Are the two elephants homozygous or heterozygous for the bands shown in the gel?
Homozygous: 1 band is present
Heterozygous: 2 different bands are present
Homozygous: 2 different bands are present
Heterozygous: 1 band is present
Which elephant has both the longest and shortest DNA fragments?
Both left and right elephants
Neither elephant
Elephant on the right
Elephant on the left
Was elephant #1 (on right) the owner of the seized ivory tusks?
Maybe
Yes
Definitely
No
Good STR markers are highly variable between individuals AND are easily amplified from many types of samples.
True
False
The shortest DNA fragments travel the farthest distance.
False
True