Types of Genetic Disorders

Types of recessive genetic disorders

Types of recessive genetic disorders

1. Albinism

2. Cystic fibrosis

3. Galactosemia

4. Tay-Sachs disease

Albinism

Casued by altered genes, resulting in the absence of the skin pigement melainin

Effects of albinism

No color ni the skin, eyes and hair

Skin suscpetible to UV damage

Vision problems

Cystic forbosis

affects the mucus producing glands, digestive enzymes and sweat glands. Chloride ions are not properly transported out of the cells of a person with cystic fibrosis.

More of cystic fibrosis

The gene that codes for a membrane protein is defective

Effects of cystic fibrosis

Excessive mucus production

Digestive and respiratory failure

Galactosemia

THe inability of hte body to digest galactose

Effects of galactosemia

Mnetal disabilites

Enlarged liver

Kidney failure

Tay-Sachs disease

The gene for Tay Sachs is found on chromosome 15. Caused by the absence of the enzymes that are responsible for breaking down fatty acids called gangliocides.

Tay Sachs disease effects

Gangliosides accumulate in the brain rather than being broke down

Buildup of fatty deposits in the brain

Mental disabilites

Dominant Genetic disorders

Huntington’s disease

Achondroplasia

Huntington’s disease

Affects the nervous sysem

Effects of huntington’s disease

1. Gradual loss of brain function

2. Uncontrollable movement

3. emotional disturbances

Achondroplasia

a small body size and limbs that are compartively short, most common form of dwarfism