In Drosophila, the Genes for Body Coloration and Eye Size

question 161

Multiple Choice

In Drosophila, the genes for body coloration and eye size are on different chromosomes.Normal-colored bodies are dominant to ebony-colored (very dark) bodies, and normal-sized eyes are dominant to eyelessness.Line A is true breeding for normal bodies and normal eyes, whereas line B is true breeding for ebony bodies and eyelessness.From an F₂ cross between lines A and B, 800 flies are scored.How many F₂ flies are expected to have normal body color and to be eyeless?

• A) 3
• B) 50
• C) 150
• D) 450
• E) 600

---

Definitions:

Labor Dispute

A labor dispute is a disagreement between employers and employees regarding employment conditions, wages, work hours, or other aspects of worker rights and welfare.

FMLA

The Family and Medical Leave Act, a U.S. federal law that provides employees with unpaid, job-protected leave for family and medical reasons.

Employer Liability

The legal responsibility of employers for injuries, damages, or losses caused by their employees during the course of their employment.

Remedy

Legal solutions or actions used to enforce a right, resolve a dispute, or rectify a wrongdoing or injury, including compensation, restitution, or injunctions.