When discussing linkage studies, the instructor mentions that colorblindness is found in a small section of the X chromosome and
has been linked to development of which of the following diseases? Select all that apply.A)Early-onset Alzheimer diseaseB)Hemophilia AC)Adrenal hyperplasiaD)Down syndrome
The answer is B and C: Hemophilia A and Adrenal hyperplasia
Explanation:
The Colourblindness, which is found in a small section of the X chromosome, has been proven to be linked to the development of Hemophilia A; in addition, genetic linkage disorder (tied to chromosome) has been found to be associated with Adrenal hyperplasia. On the other hand, studies have not yet proven that Alzheimer disease and Down syndrome are associated with genetic linkage disorder.
It is a vision that is close to normal, if in the optometric revision improves with the use of the pinhole more than three lines, the problem may be of the refractory type; If this is not corrected, it can be concluded that there is a disease.
