A Bacterium Is Transformed with Two Plasmids, Both Containing the Same

question 28

Multiple Choice

A bacterium is transformed with two plasmids, both containing the same gene. In one, the gene is placed next to a strong promoter and in the other, a weak promoter. How would you expect the two transformed bacteria to grow?

• A) The bacteria with the strong promoter would grow slower.
• B) The bacteria with the weak promoter would grow slower.
• C) Neither bacteria would grow.
• D) Both bacteria would grow at the same rate.

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Definitions:

Angelman Syndrome

A genetic disorder causing developmental delays, neurological problems, and sometimes, seizures.

Huntington's Disease

A genetic disorder characterized by the progressive breakdown of nerve cells in the brain, leading to deterioration of physical and mental abilities.

Dominant Mutant Allele

A variant of a gene that is more potent in expressing its trait even in the presence of its normal counterpart.

Heterozygote Advantage

A phenomenon in which the heterozygous condition confers some special advantage on an individual that either homozygous condition does not (i.e., Aa has a higher degree of fitness than does AA or aa).