Answer:
Common diseases are diseases frequently encountered in health care. ... Firstly, most monogenic disorders are also affected by modifier genes ... genetic variants to be considered in combination with environmental factors. ... and attitudes that will make students lifelong learners of genetics and genomics. Most genetic diseases are the direct result of a mutation in one gene. However, one of the most difficult problems ahead is to further elucidate how genes contribute to diseases that have a complex pattern of inheritance, such as in the cases of diabetes, asthma, cancer, and mental illness.
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