2) Please match each blotting method below with the type of molecule that it ass

Question

2) Please match each blotting method below with the type of molecule that it assesses.
A. Southern
B. Northern
C. Western

___Protein
___DNA
___mRNA

3)DNA fragments that are 500 bp, 1000 bp, and 2000 bp in length are separated by gel electrophoresis. Which fragment will migrate the farthest in the gel?

A) 1000-bp fragment
B) 500-bp fragment
C) All three fragments will migrate equal distances.
D) 2000-bp fragment

4) When comparing two genomes of a single species, single nucleotide polymorphism variation can be responsible for differences in the number AND length of restriction fragments obtained from restriction digestion by EcoRI.

A) True
B) False

5) Natural selection favors individuals with which of the following genotypes in areas with large populations of malaria-carrying mosquitoes?

A) betaS betaS
B) betaA betaS
C) betaA betaA

Explanation / Answer

2 B A C 3.B) 500-bp fragment 4.True 5. A) betaS betaS (Example : africans)

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