thread creation; In the most common form of colorblindness, individuals have dif

Question

thread creation; In the most common form of colorblindness, individuals have difficulty detecting light in the red or green wavelengths. What types of photoreceptor cells are defective in a colorblind person, and where on the retina are those cells most prevalent? Scientists have used gene therapy to cure colorblindness in monkeys. In this technique, a gene that codes for a previously missing protein is inserted into the patient's photoreceptor cells. For this technique to be effective, what working gene should be inserted into a patient's cells? Pretend you are working on a groundbreaking stem cell therapy to replace damaged receptor cells in individuals with hearing loss. Describe the type of cells you would need to grow and the characteristics those cells would have.

Explanation / Answer

Our human eye has two type of cells
1- Cone cells
2- Rods cells

Person is missing M- cone and L- Cone

Cone cells are responsible for determination of colours and there are three types of cone cells..

these cone cells are sugly fit into Fovea centralis of the eye..

Scientists inserteed photopigment genes(X- Encoded genes) into monkeys eyes to fix the colourblindness.

For fixing hearloss we have to give or artificially induce the hair cells into the cochlea of human ear
this therapy is called stem cell therapy.

Stem cells can devide themselves ads grow indivisually and that's necessary to fix the hearloss and these cells need to grow in the ear..

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