For Autosomal-Dominant Inheritance

question 35

Multiple Choice

For autosomal-dominant inheritance

• A) males will be affected more often than females.
• B) the risk of having an affected offspring is 25% when a person has a gene for the condition.
• C) all of the offspring will be affected by a condition that is transmitted by autosomal-dominant inheritance.
• D) an individual can carry a gene with a dominant effect without presenting any clinical manifestations.

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Definitions:

Field Diameter

The overall size of the area visible through a microscope or telescope at a particular magnification.

Low-Powered Objective

An objective lens on a microscope with a relatively low magnification power, used for initial scanning and location of specimen details.

Scanning Objective

A low-power objective lens on a microscope used to scan the whole slide to find the specimen before using higher magnification.

Field Diameter

The visible area observed through the lens of a microscope or other viewing instrument.