How Many Recombinant Clones Must Be Screened in Order to Be

question 60

Multiple Choice

How many recombinant clones must be screened in order to be 99% certain that a particular gene is found in a YAC library of human DNA where the average size of an insert is 500 kbp? The human genome size is about 3.2 × 10⁶ kbp.

• A) 6000
• B) 30,000
• C) 1,000,000
• D) 30,000,000

---

Definitions:

Stop

To cease movement or come to a halt.

Percentage

A mathematical term denoting a fraction or portion of a whole expressed as a number out of 100.

Meth Labs

Illicit setups or places for the production of methamphetamine, a powerful, highly addictive stimulant drug.

Urban

Pertaining to cities or towns, often characterized by higher population density and vast human features in comparison to areas outside of cities.