Use the Following to Answer Questions

question 17

Multiple Choice

Use the following to answer questions
In the late 1940s Edward Lewis discovered mutations in the Antennapedia gene that lead to legs developing on the head of a fly instead of antenna. These mutations are dominant and lead to ectopic expression of the Antennapedia gene.
-Based on these data, how would you expect the gene to be expressed in the mutant? (Select all that apply.)

• A) in every segment
• B) in a more anterior segment
• C) in a more posterior segment
• D) earlier
• E) later

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Definitions:

Haploid

A cell or organism that has a single set of chromosomes, half the diploid number, typical of gametes.

Sperm

Male reproductive cells responsible for fertilizing the female's ovum, contributing to genetic makeup of the offspring.

Cell Cycle

The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells.

Interphase

The phase of the cell cycle during which a cell prepares for division, characterized by DNA replication and growth in size.