- Feb 04, 2012
I was diagnosed with Stage 1 Breast Cancer in my left breast around mid January 2012. I a...

Genetics is the study of heredity, the process in which a parent passes certain genes onto their children. A person's appearance -- height, hair color, skin color, and eye color -- are determined by genes. Other characteristics affected by heredity:
An abnormal trait (anomaly) passed down through families (inherited) may:
For most genetic disorders, genetic counseling is advised. Many people may also want to seek prenatal diagnosis.
The terms anomaly, abnormality, disorder, defect, disease, and syndrome are not used consistently, and do not have precise definitions.
Homozygous; Inheritance; Heterozygous; Inheritance patterns; Heredity and disease; Heritable; Genetic markers