1 answer

2. Color Blindness with a Twist: As a genetic counselor, you may face some ethical dilemmas....

Question:

2. Color Blindness with a Twist: As a genetic counselor, you may face some ethical dilemmas. Imagine that a couple came to your office to discuss potential color blindness in their children. The man is not color blind, but his wife is. They already have one daughter that is color blind and want to know the probability of future children having the disorder. First, you will need to explain to the couple the difference between sex chromosomes and autosomal chromosomes and that color blindness is caused by a recessive mutation in a gene found on the X chromosome. Once they understand this, you can then explain to them the probability of other offspring having the disorder. What is the dilemma in this case and why might you need to suggest to the couple that they see a marriage counselor?
2. Color Blindness with a Twist: As a genetic counselor, you may face some ethical dilemmas. Imagine that a couple came to your office to discuss potential color blindness in their children. The man is not color blind, but his wife is. They already have one daughter that is color blind and want to know the probability of future children having the disorder. First, you will need to explain to the couple the difference between sex chromosomes and autosomal chromosomes and that color blindness is caused by a recessive mutation in a gene found on the X chromosome. Once they understand this, you can then explain to them the probability of other offspring having the disorder. What is the dilemma in this case and why might you need to suggest to the couple that they see a marriage counselor?

Answers

The daughter being colorbling means she has two affected x chromosome one take from affected mother and one from the father, here the male is not affected that means his x chromosome is normal , thus the father of this daughter is someone else , who is colorblind .

Thus they need a marriage conselor to solve the dispute which will arise when the amle will come to know that the daughter is not his but from some other man.

.

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