Use the Following Information for This Question

question 55

Multiple Choice

Use the following information for this question:
Phenylketonuria is considered to be an inborn error of metabolism.It is a recessive genetic condition in which the enzyme that breaks down the amino acid phenylalanine is defective or missing.Testing of all newborns allows this condition to be detected at birth.A special diet that severely minimizes phenylalanine (e.g. ,by avoiding diet sodas and most usual sources of protein) can treat the condition.
In this scenario,two carriers of both cystic fibrosis and phenylketonuria have a child.
What is the probability that the child will have both cystic fibrosis and phenylketonuria?

• A) 6.25%
• B) 12.5%
• C) 18.75%
• D) 56.25%
• E) 0%

---

Definitions:

Moderate Depths

Refers to water or areas of the ocean that are neither close to the surface nor too deep, often supporting a diverse range of marine life.

Normal Heating

The regular process of increasing temperature in an environment or system without external intervention.

Recrystalization

Recrystallization is a metamorphic process where crystals of minerals grow larger while the overall chemical makeup of the rock remains the same, usually as a result of heat and/or pressure.

Remobilization

The process by which sedimentary deposits are eroded and transported to be deposited again in a new location.