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What are the causes of mutation in DNA?

A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

What can potentially cause mutations?

Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations.

What are 3 sources of mutations?

There are three types of DNA Mutations: base substitutions, deletions and insertions.

Who is the rarest person alive?

Above: Eleven year old Damien Omler has a rare disease known as CDG. But he is the only known person in the world with a specific mutation, March 4, 2020.

What is the rarest illness?

RPI deficiency According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.

What is a laughing death?

“Laughing death,” locally called kuru, was a progressive, fatal brain malady that robbed its victims of the ability to walk, talk, and even eat. It had killed dozens of the highland Fore people. Both diseases caused trembling, uncoordination and certain death. Like scrapie, kuru produced a Swiss-cheesing of the brain.

What is Stone Man Syndrome?

FOP, also called Stoneman syndrome or Munchmeyer disease, is a very rare connective tissue disorder with autosomal dominant inheritance. [1,2] The disorder is characterized by malformation of great toes, thumbs, progressive heterotopic ossification of skeletal muscles, and connective tissue.

What is the rarest autoimmune disease?

Asherson’s syndrome is a rare autoimmune disorder. Autoimmune disorders are caused when the body natural defenses (antibodies, lymphocytes, etc.) against invading organisms suddenly begin to attack perfectly healthy tissue.

What can trigger an autoimmune disease?

When the body senses danger from a virus or infection, the immune system kicks into gear and attacks it. This is called an immune response. Sometimes, healthy cells and tissues are caught up in this response, resulting in autoimmune disease.

What are the 10 most common autoimmune diseases?

According to The Autoimmune Registry, the top 10 most common autoimmune diseases include:

  • Rheumatoid arthritis.
  • Hashimoto’s autoimmune thyroiditis.
  • Celiac disease.
  • Graves’ disease.
  • Diabetes mellitus, type 1.
  • Vitiligo.
  • Rheumatic fever.
  • Pernicious anemia/atrophic gastritis.