You Are Studying a Weasel and Find That Its Genome

question 49

Multiple Choice

You are studying a weasel and find that its genome contains 7 J_κ and 55 V_κ genes. Other sources of variation (such as changes in the site at which a J sequence joins a V sequence and the ability of deoxynucleotidyl transferase to insert nucleotides at sites of strand breakage) have been found to introduce an additional ten-fold increase in variability. Assuming that any V sequence can join with any J sequence, how many different κ light chains can this organism make?

• A)620
• B)385
• C)3850
• D)70
• E)550

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Definitions:

Aggregate Demand

Total need for every type of good and service within an economic system, quantified at a specific price level and during a certain timeline.

Money Supply

The complete volume of monetary resources present in an economy at a specific moment, which comprises cash, coins, and the amounts in checking and savings accounts.

Interest Rate

The percentage charged or paid for the use of money, typically expressed as an annual percentage of the principal.

Fed

Short for the Federal Reserve System, it is the central banking system of the United States, responsible for monetary policy.