Genetics Genetics What is genetics? Genetics is the study of the patterns of inheritance--how traits and characteristics are passed from parents to their children. Genes are formed from segments of DNA (deoxy...
How Chromosome Abnormalities Happen: Meiosis, Mitosis, Maternal Age, Environment How Chromosome Abnormalities Happen: Meiosis, Mitosis, Maternal Age, Environment How do chromosome abnormalities happen? Chromosome abnormalities typically occur as a result of one, or more, of the f...
Overview of Birth Defects Overview of Birth Defects What is a birth defect? A "birth defect" is a health problem or physical change, which is present in a baby at the time he or she is born. Birth defects may be very mild, wh...
Pregnancy Over Age 30 Pregnancy Over Age 30 Many women today are waiting until later in life to have children. In the United States, birth rates for women in their 30s are at the highest levels in three decades. However, ...
The Difference Between a Chromosome Abnormality and a Single Gene Defect The Difference Between a Chromosome Abnormality and a Single Gene Defect What is the difference between a chromosome abnormality and a single gene defect? There are approximately 25,000 genes contain...
Types of Genetic Diseases Types of Genetic Diseases There are several types of genetic disorders. The way in which the disorder is inherited can help determine the risks it will have on a pregnancy and the risk it will recur ...
When to Seek Genetic Counseling When to Seek Genetic Counseling Genetic counseling is a professional assessment of a person's or couple's risk factors regarding their family history, medical history, and/or pregnancy history. The g...