Two True-Breeding Mutant Strains of Drosophila Have Black Body Color

question 20

Multiple Choice

Two true-breeding mutant strains of Drosophila have black body color instead of the wild-type gray yellow. When the two strains are crossed, all the F1 flies have wild-type body color. How can these data be interpreted?

• A) Recombination occurred.
• B) The mutations involved are on two different genes.
• C) Complementation occurred.
• D) Both B and C
• E) A new mutation occurred in all the offspring.

---

Definitions:

Partnership Creation

The process of forming a partnership, which is an agreement where two or more parties agree to share in the management, profits, and losses of a business.

Joint and Several Liability

A legal doctrine under which each party in a lawsuit can be held responsible for the full amount of damages regardless of their individual share of fault.

Unlimited Personal Liability

A legal obligation where individuals can be held fully responsible for the debts and obligations of a business, potentially affecting their personal assets.

Partnership Authority

The legal power granted to a partner to act on behalf of and bind the partnership in business transactions.