Some of the major models of genetic transmission of inherited traits and diseases include x-linked dominant, autosomal model, autosomal recessive and the diathesis-stress model.
- Autosomal model: This is a model that explains that a trait can be passed down from one's family. For example, if a person gets an abnormal gene from one of their parent, one can get a particular disease.
- Autosomal recessive: In this case, there must be two copies of abnormal gene in order for a particular disease to develop.
- X-linked dominant: This means that the gene that is responsible for a particular disorder is located on the X chromosomes.
- Diathesis-stress model: This is also referred to as the vulnerability-stress model and it is a theory that seeks to explain a particular disorder based on the biological and the environmental factors taken into consideration.
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