Answer to Question #88921 in Genetics for Rachel

Question #88921
Haemophilia is an X-linked disorder that occurs at a frequency of approximately 1 in 10000. A normal male and a female who is heterozygous for the haemophilia mutation are expecting a child. What is the probability of this couple having a child with haemophilia? (Assume that all carrier females are asymptomatic.)
1
Expert's answer
2019-05-01T07:17:50-0400

The probability is 25%.

There are 4 different genotypes possible in children: homozygous dominant girl, heterozygous girl, a boy with dominant allele that protects against the disease, and a boy with recessive allele. Only the last one will suffer from the disease.


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Comments

Assignment Expert
08.05.19, 13:03

Dear Rachel, please submit your question in a corresponding form here https://www.assignmentexpert.com/homework-answers to get an answer from the expert.

Rachel
08.05.19, 04:48

An experiment is investigating the effect of an enzyme on a substrate in a buffered solution. Which of the following is an example of an appropriate negative control condition?
A) Substrate and buffer
B) Substrate, buffer and a different enzyme

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