Why Does a Mutation in a Maternal-Effect Gene Affect the Offspring

question 42

Multiple Choice

Why does a mutation in a maternal-effect gene affect the offspring of mutant females and not the mutant female herself?

• A)because the affected female is heterozygous
• B)because the mutant gene product is not needed in development
• C)because the mutant gene product results in defective oocytes
• D)because the father of the affected offspring is also affected

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Definitions:

Mitochondria

Organelles found in most cells, responsible for producing energy by converting food into adenosine triphosphate (ATP) through the process of oxidative phosphorylation.

Sarcoplasmic Reticulum

A structure found within muscle cells that stores and releases calcium ions, playing a key role in muscle contraction.

Myofibrils

The basic rod-like units of a muscle cell that are essential for muscle contraction and movement.

Strength-Training Tools

Equipment or accessories used to enhance muscle strength and endurance, such as free weights, resistance bands, or weight machines.