Hemophilia a Is an X-Linked Recessive Disorder

question 76

Multiple Choice

Hemophilia A is an X-linked recessive disorder.If a normal man marries a woman who is a carrier,what fraction of their sons will have hemophilia?

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

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Definitions:

Panic Disorder

A psychiatric disorder characterized by unexpected and repeated episodes of intense fear accompanied by physical symptoms such as chest pain, heart palpitations, shortness of breath, dizziness, or abdominal distress.

Pharmacotherapy

The treatment of diseases, especially mental disorders, using medications or drugs to relieve symptoms and achieve therapeutic outcomes.

Meta-analytic Comparisons

The use of statistical techniques to summarize the results of multiple studies, providing a comprehensive comparison of data across research findings.

Behavioral Activation

A therapy technique that focuses on engaging individuals in activities that are likely to elicit positive reinforcement thus improving mood and reducing depression.