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Genetic Testing

Snapshot: What are single nucleotide polymorphisms (SNPs)?

It’s in our DNA If you were to unravel the tightly wound packages of our genome known as chromosomes, you would find long strings of DNA. The strings are made up of only four different building blocks, compounds abbreviated as adenine (A), thymine (T), guanine (G) and cytosine (C). Picture Read More…

Snapshot: What is recessive ataxia?

What is a recessive disorder? A recessive disorder is one that has a specific disease mechanism. For a recessive disorder to occur, both copies of the causative gene must be mutated for a patient to show symptoms.  Ataxias that follow this disease mechanism are known as recessive ataxia. However, having Read More…

Snapshot: What is RNA?

RNA is an important molecule that helps with regulating the function of cells. To fully understand how RNA fits in here, we must first look at the bigger picture: genetics. The central dogma of molecular biology, depicted below, states that DNA is copied (transcribed) into RNA, which is later decoded Read More…

Snapshot: What is Polyglutamine Expansion?

The information that allows the normal development and functioning of each human being is coded in DNA, which exists in all cells of the body. Several successive segments of DNA make up a gene, with the human body containing approximately 20,000. Every gene has a different arrangement of DNA segments Read More…

Snapshot: What is DNA?

DNA (deoxyribonucleic acid) is the way that living beings store the information that determines how they look and function. Think about DNA as the blueprints, or instructions, for life. All life forms – humans, cats, dogs, trees, and bacteria – all contain DNA. Your DNA is what carries the information Read More…

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