The Following Questions Refer to the Pedigree Chart in Figure

question 54

Multiple Choice

The following questions refer to the pedigree chart in Figure 14.2 for a family, some of whose members exhibit the dominant trait, W. Affected individuals are indicated by a dark square or circle.

Figure 14.2
-What is the likelihood that the progeny of IV-3 and IV-4 will have the trait?

• A) 0%
• B) 25%
• C) 50%
• D) 75%
• E) 100%

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Definitions:

Mass Colonic Peristalsis

The coordinated contraction and relaxation of colon muscles that moves content through the colon.

Defecate

The natural process of expelling feces from the body's rectum and anus as part of the digestive system's waste elimination.

Loop Colostomy

A surgical procedure in which a loop of the large intestine is brought through the abdominal wall to create a stoma for waste to exit the body.

Stoma

A surgically created opening on the body’s surface to allow for the elimination of waste, commonly associated with procedures like colostomies.