Question

The pedigree on the right shows the inheritance pattern for an X-linked recessive disorder.
If the female circled in pink married an affected male and had a female child, what is the chance that the child would also be affected? Express your answer in a percentage.
%
What is the chance that the child would be a carrier?
%



True or false? The child could be normal?

Answer 1

The answer for this question is 50% ,50%, and false 

Answer 2

Pedigree analysis is the study of heredity and inheritance of genes. The chances of the offspring of affected male and carrier female are 100%, Therefore the statement is true.

Pedigree analysis is a chart description, which is used by doctors to analyze the inheritance pattern, observe any genetic disorder, and any problems in the inheritance pattern. The chart helps in the extended family planning and its impact on the future generation.

From the given pedigree analysis, the male is affected with the chromosome XY. Similarly, the male married the female, having X-linked recessive disorder.

The probability of the child will be a carrier is 100%, such that:

The image is attached below.

Therefore, the given statement is true and the chances of the carrier are 100%.  

To know more about pedigree analysis, refer to the following link: