Topic Index - Medical Genetics
- Medical Genetics Home
- Overview of Birth Defects
- Types of Chromosome Abnormalities
- Down Syndrome (Trisomy 21)
- Trisomy 18 & 13
- Turner Syndrome
- Translocation Down Syndrome
- Mosaicism
- Mosaic Down Syndrome
- How Chromosome Abnormalities Happen: Meiosis, Mitosis, Maternal Age, Environment
- Chance a Chromosome Abnormality Will Occur Again: Numerical, Structural (Inherited and De Novo), Mosaicism
- Single Gene Defects
- Autosomal Recessive: Cystic Fibrosis, Sickle Cell Anemia, Tay Sachs Disease
- X-linked Recessive: Red-Green Color Blindness, Hemophilia A
- X-linked Dominant: Incontinentia Pigmenti
- Multifactorial Inheritance
- Teratogens
- Teratogens Overview
- Examples of Teratogens
- Fetal Alcohol Syndrome (FAS)
- Varicella
- Non-Traditional Inheritance
- Uniparental Disomy: Prader-Willi Syndrome, Angelman Syndrome
- Trinucleotide Repeats: Fragile-X Syndrome
- Mitochondrial Inheritance: Leber's Optic Atrophy
- Evaluating a Child for Birth Defects
- Testing for Birth Defects
- Studies for Single Gene Defects: DNA (Direct and Indirect)
- Uses of Genetic Testing
- Genetic Services: When, Where, How
- Identification, Treatment, and Prevention of Birth Defects
- Vitamin, Gene, and Enzyme Replacement Therapy
- When to Seek Genetic Counseling
- Support Groups
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© 2000-2020 The StayWell Company, LLC. 800 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.