The Age-Dependent Increase in Replication Errors in Sperm Versus Oocytes

question 6

Multiple Choice

The age-dependent increase in replication errors in sperm versus oocytes is caused by which of the following?

• A) Oocytes sitting dormant for longer periods of time
• B) Increased number of mitotic divisions in developing sperm compared to oocytes
• C) Greater chance of exposure to mutagens for sperm
• D) Less efficient DNA repair systems in developing sperm
• E) Natural selection for variability in sperm

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Definitions:

Individualistic Model

A theory in ecology that suggests communities are a chance assemblage of species with similar abiotic requirements, rather than a tightly integrated unit.

Henry Gleason

An early 20th-century ecologist known for his individualistic concept of plant communities, challenging the notion of plant communities as superorganisms.

Community Model

A theoretical framework used to understand the complex interactions and relationships within ecological communities.

Müllerian Mimicry

A form of biological mimicry where two or more harmful species, that are not closely related, evolve to look similar, which reinforces the avoidance behavior in predators.