What is a gene?
Most living organisms are made up of cells that contain a substance called deoxyribonucleic, DNA is wrapped together to form structures called chromosomes.
http://kidshealth.org/teen/your_body/health_basics/genes_genetic_disorders.html#
http://kidshealth.org/teen/your_body/health_basics/genes_genetic_disorders.html#
How do genes work?
Genes hold the instructions for making protein products (like the enzymes to digest food or the pigment that gives your eyes their color).
http://kidshealth.org/teen/your_body/health_basics/genes_genetic_disorders.html#
What is a genetic disorder?
Genes hold the instructions for making protein products. As your cells duplicate, they pass this genetic information to the new cells. Genes can be dominant or recessive.
http://kidshealth.org/teen/your_body/health_basics/genes_genetic_disorders.html#
http://kidshealth.org/teen/your_body/health_basics/genes_genetic_disorders.html#
What are [2] major causes of genetic disorders in humans?
Some genetic disorders are caused by mutations in the DNA of genes. Other disorders are caused by changed in the overall structure or number of chromosomes.
Cronkite, Donald. Cells and Heredity. Boston: Pearson Education, Inc., 2005. [pgs. 117 – 121]
Cronkite, Donald. Cells and Heredity. Boston: Pearson Education, Inc., 2005. [pgs. 117 – 121]
What is a pedigree and how do scientists use it?
A pedigree is a chart or "family tree" that tracks which members of a family have a particular trait.
Cronkite, Donald. Cells and Heredity. Boston: Pearson Education, Inc., 2005. [pgs. 117 – 121]
Cronkite, Donald. Cells and Heredity. Boston: Pearson Education, Inc., 2005. [pgs. 117 – 121]
How are genetic disorders diagnosed and treated?
Doctors use tools such as karyotypes to help diagnose genetic disorders. People with genetic disorders are helped through medical care, education, job training, and other methods.
Cronkite, Donald. Cells and Heredity. Boston: Pearson Education, Inc., 2005. [pgs. 117 – 121]
Cronkite, Donald. Cells and Heredity. Boston: Pearson Education, Inc., 2005. [pgs. 117 – 121]