Trinucleotide Repeat Alleles That Are Not Associated with the Disease

question 5

Multiple Choice

Trinucleotide repeat alleles that are not associated with the disease phenotype but that can expand during meiosis are known as:

• A) Permutations
• B) Pseudo-disease alleles
• C) Pre-expansions
• D) Expansion-prone alleles
• E) Unstable alleles

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Definitions:

Cystic Duct

A short duct that connects the gallbladder to the common bile duct, which then carries bile to the intestine.

Hepatic Duct

The duct that carries bile from the liver into the common bile duct, which then heads towards the gallbladder or intestine.

Pancreatic Duct

A channel in the pancreas that transports digestive enzymes and bicarbonate from the pancreas to the duodenum.

Parotid Salivary Gland

One of the major salivary glands located near the ear, responsible for producing saliva to facilitate chewing and swallowing.