Barbara McClintock Discovered Mobile Elements in Corn by Analyzing the Genetic

question 24

Multiple Choice

Barbara McClintock discovered mobile elements in corn by analyzing the genetic behavior of two elements,Ds and Ac.The interplay between these two elements has become one of the most interesting stories of discovery in the field of genetics.How do Ds and Ac interact?

• A) Ds causes a deletion next to the insertion site of Ac.
• B) Ac causes a deletion next to the insertion site of Ds.
• C) While Ds moves only if Ac is present in the genome, Ac is capable of autonomous movement.
• D) The movement of Ac is dependent on two forms of Ds.
• E) Both elements can move only within chromosome 9.

---

Definitions:

Financial Advantage

An economic benefit enjoyed by individuals or businesses that allows for superior positioning in the market or financial health.

Joint Process

A production process in which multiple products are produced simultaneously from the same raw materials or system.

Split-off Point

The stage in a production process where joint products can be recognized as separate products.

Premium Grade

A classification indicating that a product or material is of superior quality and usually commands a higher price.