Heredity is estimated to contribute about half of the variance in rates of major depressive disorders.
Heredity is also called Biological inheritance. It is the process of passing the characteristics from parents to offspring through genes.
The offspring get their characteristics or traits and features from their parents.
The traits can be eye color, blood type or a disease or behavior.
Major depressive disorder is also called clinical depression. It is characterized by depressed mood in activities, disturbed sleep and appetite causes loss of interest in daily life.
Major depressive disorder is a psychiatric disorder.
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