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A Consultand Comes to You for Genetic Counseling

question 7

Multiple Choice

A consultand comes to you for genetic counseling. His father and brother both had retinoblastoma. He himself has been unaffected. He and his wife are considering having children. What is the prior probability that he is a mutation carrier? Assume 90% penetrance for the disorder.


Definitions:

Autoclave

A pressurized device designed to heat aqueous solutions above their boiling point to achieve sterilization.

Dry Heat

A method of sterilization or cooking that uses hot air without moisture, such as an oven, instead of steam or boiling water.

Aseptic Technique

The process of maintaining sterility throughout a surgical procedure.

Surgical Instruments

Tools or devices used during surgical procedures to perform various actions like cutting, dissecting, or suturing.

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