Transcript A genetic disorder can result when

• Genetic Disorders
»By: Mr. Robey
Each egg and each sperm
Causes of Genetic Disorders:
Radiation or chemicals cause changes
in the order of DNA “letters”
-Mutated DNA can be inherited by the
child (in the sperm or egg)
-Damage can occur to the egg or sperm
producing cells (ovaries or testes)
-Damage can occur to the sperm or egg
-Damage can occur to the embryo after
conception
• Types of DNA mutations:
• A genetic disorder can result when:
• A single gene is mutated
• Several genes are mutated, all working
together
• One or more genes is missing
• An entire chromosome is missing
• There is an extra chromosome
•Skin Disorders
Albinism
Malignant Melanoma
Xeroderma Pigmentosum
Bloom Syndrome
Porphyria
Amyloidosis
•Eye Disorders
Color blindness
Retinitis Pigmentosum
Retinoblastoma
• Bone/Joint Disorders
Multiple Exostosis
Osteogenesis Imperfecta
Fibrodysplasia Ossificans Progressiva
Apert Syndrome
Edward’s Syndrome
Polydactyly
• Muscle Disorders
Muscular Dystrophy
Refsum Disease
•Hair Disorders
Male Pattern Baldness
Alopecia
•Blood Disorders
Sickle Cell Disease
Hemophilia
Severe Combined Immunodeficiency
Polycystic Kidney Disease
•Mental Disorders
Down Syndrome
Angelman Syndrome
Cri du Chat Syndrome
•Growth Disorders
Pituitary Dwarfism
Diastrophic Dysplasia
•Premature Aging
Disorders
Progeria
Cockayne