The Major Advantage of Using Artificial Chromosomes Such as YACs

question 25

Multiple Choice

The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

• A)plasmids are unable to replicate in cells.
• B)only one copy of a plasmid can be present in any given cell, whereas many copies of a YAC or BAC can coexist in a single cell.
• C)YACs and BACs can carry much larger DNA fragments than ordinary plasmids can.
• D)YACs and BACs can be used to express proteins encoded by inserted genes, but plasmids cannot.
• E)all of the above

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Definitions:

Hindsight Bias

The tendency to believe, after learning an outcome, that one would have foreseen it, often referred to as the "I-knew-it-all-along" effect.

Placebo Effect

A phenomenon where an improvement in health or wellbeing is observed after receiving a treatment that has no therapeutic value, due to the individual's belief in its efficacy.

Illusory Correlation

refers to the cognitive bias where a relationship between two variables is perceived to exist when no such relationship actually exists.

Double-Blind Procedure

A experimental setup in which neither the participants nor the experimenters know who is receiving a particular treatment, preventing bias in the results.