It Is Your Task to Prove the Chromosomal Theory of Inheritance

question 17

Multiple Choice

It is your task to prove the chromosomal theory of inheritance in your cell biology class. Your task is limited by examining only one trait in Drosophila. You may use the tools of modern biotechnology to aid you in your progress. Which of the following would be least likely to help you in your endeavor?

• A)examining a trait that is the genotype AA in all of the available parental stocks
• B)genetic manipulation to add a marker to a particular chromosome in the germline
• C)examining a trait that is the genotype AA or aa in all of the available parental stocks
• D)DNA sequence analysis
• E)protein sequencing

---

Definitions:

Vas Deferens

A duct in the male reproductive system responsible for transporting sperm from the epididymis to the ejaculatory ducts.

Spermatogenesis

The process by which male primordial germ cells undergo mitosis and meiosis to form mature sperm cells.

Secondary Sexual Characteristic

Physical traits that are not directly involved in reproduction but distinguish the sexes of a species, such as body hair in humans or plumage in birds.

Hermaphroditism

Reproduction in which a single individual produces both eggs and sperm.