Use the Following Information to Answer the Questions Below

question 25

Multiple Choice

Use the following information to answer the questions below.
Drosophila (fruit flies) usually have long wings (+) but mutations in two different genes can result in bent wings (bt) or vestigial wings (vg) .
-If a homozygous bent wing fly is mated with a homozygous vestigial wing fly, which of the following offspring would you expect?

• A) all +bt +vg heterozygotes
• B) 1/2 bent and 1/2 vestigial flies
• C) all homozygous + flies
• D) 3/4 bent to 1/4 vestigial ratio
• E) 1/2 bent and vestigial to 1/2 normal

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Definitions:

Simple Event

An event consisting of only one outcome in a probability experiment.

Sample Space

The set of all possible outcomes of a random experiment or event.

At Least 3

A criterion stating that a condition or quantity should be three or more, not less.

Mutually Exclusive

Situations or events that cannot occur at the same time; the occurrence of one event precludes the occurrence of the other.