Question

In complex disorders, the following observation(s) support the presence of genetic risk factors in a patient:...

In complex disorders, the following observation(s) support the presence of genetic risk factors in a patient:

a) early onset of the disease

b) recurrence in several close relatives

c) absence of known environmental risk factors

d) a severe form of a disease with variable expressivity

e) all of the above

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Answer #1

Answer:

In complex disorders, the following observation(s) support the presence of genetic risk factors in a patient:

a) early onset of the disease

b) recurrence in several close relatives

c) absence of known environmental risk factors

d) a severe form of a disease with variable expressivity

e) all of the above - Correct Option

Explanation: Early onset of disease indicates a higher influence of genetic effects. Inherited genetic disease in human often have variable expressivity. Recurrence in several close relatives also indicates genetic-factor association of the disease.

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