Genetic Disorders

Genetic disorder — disease caused by abnormality in an individual's DNA

Genetic Disorders (12 weeks)

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Study material on Genetic Disorders

Practice questions on Genetic Disorders

What are the three major categories of genetic disorders?

Answer: B. The three major categories of genetic disorders are: diseases related to mutant genes of large effect, diseases with multifactorial (polygenic) inheritance, and diseases arising from chromosomal aberrations. ---

Which diseases are now considered to have genetic components beyond "classic" genetic disorders?

Answer: B. Beyond classic genetic disorders, cardiovascular diseases, disorders of immunity, and cancers are now recognized to have significant genetic components. ---

Which category of genetic disorders involves mitochondrial DNA mutations?

Answer: B. Diseases resulting from mutations in mitochondrial DNA constitute a separate category beyond the three major categories, with unique maternal inheritance patterns. ---

What is the extremity range of genetic disorders?

Answer: B. The extremity of genetic disorders varies widely - some may be mild or remain hidden, while others cause early miscarriage or serious disease in young individuals. ---

Which genetic disorder category includes diseases like Down syndrome?

Answer: C. Down syndrome (trisomy 21) is a disease arising from chromosomal aberrations, specifically having an extra copy of chromosome 21. ---

What is the significance of unknown genetic disorders being mild or hidden?

Answer: B. The fact that an unknown number of genetic disorders may be mild or remain hidden suggests that the true burden of genetic disease is likely higher than currently recognized. ---

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