When large populations are spread across vast geographic distances, which evolutionary force is affected?

a. mutation
b. genetic drift
c. natural selection
d. nonrandom mating


d. nonrandom mating

Biology & Microbiology

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Some prokaryotes have a capsule, which is an external layer of polysaccharides that protects the cells from physical

damage.

Indicate whether the statement is true or false.

Biology & Microbiology

In a group of 100,000 people, about how many would be expected to have the same genotype as the crime scene sample? For simplicity, assume all SSR alleles are present in the population at a frequency of 0.2.

A) 0.000256 B) 6 C) 13 D) 51 E) None of the choices is correct.

Biology & Microbiology

Complement proteins can form a system of proteins that create a pore in the membranes of bacteria. This system is

called the ____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

T lymphocytes mature in the (bone marrow/lymph node/thymus)

What will be an ideal response?

Biology & Microbiology