Use the Following to Answer Questions

question 15

Multiple Choice

Use the following to answer questions
You are doing lab work with a new species of beetle. You have isolated lines that breed true for either blue shells and long antenna or green shells and short antenna. Crossing these lines yields F₁ progeny with blue shells and long antenna. Crossing F₁ progeny with beetles that have green shells and short antenna yields the following progeny:
Blue shell, long antenna82
Green shell, short antenna78
Blue shell, short antenna37
Green shell, long antenna43
Total240
-Assuming that the genes are linked, what is the map distance between them in m.u.?

• A) 33.3 m.u.
• B) 25.0 m.u.
• C) 49.5 m.u.
• D) 8.0 m.u.
• E) The genes are assorting independently.

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Definitions:

Intelligence Level

A measure of a person's cognitive abilities and potential.

Weakly Heritable

Refers to traits or characteristics that have a low genetic influence compared to environmental factors.

Heritability Estimates

Statistical measures that indicate what proportion of variation in a trait within a population can be attributed to genetic differences.

Heredity

The passing on of physical or mental characteristics genetically from one generation to another.