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

---

Definitions:

Writing Requirements

Legal stipulations that certain types of contracts or agreements must be in writing to be enforceable.

Purchase Order

A commercial document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services.

Title

The legal right to own, use, or dispose of property, as well as the formal document that serves as evidence of such ownership.

Market Gardener

An individual or business involved in the small-scale production of fruits, vegetables, flowers, or plants for sale.