Question

Why do genetic diseases occur? Describe it​

Answer 1

Answer:

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Explanation:

Genetic disorders can be caused by a mutation in one gene (monogenic disorder), by mutations in multiple genes (multifactorial inheritance disorder), by a combination of gene mutations and environmental factors, or by damage to chromosomes (changes in the number or structure of entire chromosomes, the structures that ...

Answer 2

Answer:

A genetic disorder is a disease caused in whole or in part by a change in the DNA sequence away from the normal sequence. Genetic disorders can be caused by a mutation in one gene (monogenic disorder), by mutations in multiple genes (multifactorial inheritance disorder), by a combination of gene mutations and environmental factors, or by damage to chromosomes (changes in the number or structure of entire chromosomes, the structures that carry genes).

As we unlock the secrets of the human genome (the complete set of human genes), we are learning that nearly all diseases have a genetic component. Some diseases are caused by mutations that are inherited from the parents and are present in an individual at birth, like sickle cell disease. Other diseases are caused by acquired mutations in a gene or group of genes that occur during a person's life. Such mutations are not inherited from a parent, but occur either randomly or due to some environmental exposure (such as cigarette smoke). These include many cancers, as well as some forms of neurofibromatosis.

here is the List of some of the genetic disorders :

Achondroplasia :

Achondroplasia is a disorder of bone growth. It is the most common form of disproportionate short stature. It occurs in one in every 15,000 to one in 40,000 live births.

Alpha-1 antitrypsin deficiency :

Alpha-1 antitrypsin deficiency is an inherited condition that causes low levels of, or no, alpha-1 antitrypsin in the blood.

Antiphospholipid Syndrome (APS) :

Antiphospholipid Syndrome (APS) is a disorder characterized by elevated levels of multiple different antibodies that are associated with both arterial and venous thrombosis (clots in the arteries and veins).

Attention Deficit Hyperactivity Disorder :

Attention Deficit Hyperactivity Disorder (ADHD) is a neurological disorder that affects a person's ability to control their behavior and pay attention to tasks.

Autism :

Autism represents a broad group of developmental disorders characterized by impaired social interactions, problems with verbal and nonverbal communication, and repetitive behaviors or severely limited activities and interests.

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