The Genes for Zeste Eyes and Forked Bristles Are Located

question 33

Essay

The genes for zeste eyes and forked bristles are located on the X chromosome in Drosophila melanogaster.Both genes are recessive.A cross is made between a zeste-eyed female and a forked-bristled male.
a) If 200 offspring from this cross were obtained,present the expected number,sex,genotype,and phenotype in each class of the F₁.
b) If the F₁ offspring were crossed to produce 800 flies of an F₂ generation,present the expected number,sex,and phenotype in each class.Assume no crossing over.

---

Definitions:

Learner

An individual who is acquiring knowledge, skills, or competencies through study, experience, or teaching.

Confederate

refers to an individual who is part of a larger group, often used in the context of the American Civil War or in psychological experiments to describe a person who is secretly working with the experimenter.

Philip Zimbardo

An American psychologist known for his research on social psychology, notably the Stanford prison experiment.

Simulated Prison

A psychological experiment setup designed to study the effects of perceived power, focusing on the struggle between prisoners and prison officers.