**Question:** Gardner's syndrome is a rare hereditary disorder involving the colon. It is characterized by:

**Core Concept:** Gardner's syndrome is a genetic disorder that affects the gastrointestinal tract, specifically the colon. It is characterized by the development of multiple polyps, gastrointestinal bleeding, and an increased risk of colorectal cancer.

**Why the Correct Answer is Right:**
Gardner's syndrome is a rare autosomal dominant disorder caused by mutations in the APC gene, leading to the development of numerous adenomatous polyps in the colon and rectum. These polyps may progress to become malignant, resulting in colorectal cancer. The condition is named after Dr. Frederic Gardner who first described it in 1950.

**Why Each Wrong Option is Incorrect:**
A. This option is incorrect because Gardner's syndrome is a genetic disorder, not a condition related to the colon.
B. While polyps are involved in Gardner's syndrome, this option is incorrect as it does not encompass the entire spectrum of the syndrome.
C. This option is incorrect because it only addresses one aspect of the syndrome but does not cover the genetics and polyps aspect.
D. This option is incorrect as it fails to mention the genetic basis and polyps associated with Gardner's syndrome.

**Clinical Pearl / High-Yield Fact:**
Gardner's syndrome is a crucial concept to understand for medical students, particularly relevant for gastroenterology, oncology, and hereditary cancer syndromes. Early recognition and surveillance colonoscopies are essential for patients with Gardner's syndrome to prevent colorectal cancer.

**Correct Answer:** D. Gardner's syndrome is a rare autosomal dominant disorder caused by mutations in the APC gene, leading to the development of numerous adenomatous polyps in the colon and rectum, increasing the risk of colorectal cancer.