I n physiology lab, it was found that a student was colorblind and could not com
ID: 3510140 • Letter: I
Question
In physiology lab, it was found that a student was colorblind and could not complete the Holmgren Test successfully. What is wrong with the cone cells in his retina? How did I guess that the student was a male student? In physiology lab, it was found that a student was colorblind and could not complete the Holmgren Test successfully. What is wrong with the cone cells in his retina? How did I guess that the student was a male student? In physiology lab, it was found that a student was colorblind and could not complete the Holmgren Test successfully. What is wrong with the cone cells in his retina? How did I guess that the student was a male student?Explanation / Answer
Cone cells are the cells present in the retina which are responsible for colour vision which works in the daylight conditions. There are three different types of cone cells which has different sensitivity to light wavelengths. They are of the following order: blue, geen and red colour.
Holmgren test involves the identification of wools in various shades of colour including the light and dark shades.
Since colour blindness is carried by the gene on the X chromosome, this is the reason why males are more affected than the females. Females are most commonly carriers.
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