B: A mutation in one of G5W's parents, during gamete formation, created an X-linked dominant disease allele.
You need to analyze the sex gametes.
Boys are XY 
Girls are XX
If you have an X-linked dominant disease you need only one affected X gamete to have the disease.
The mother has XX' where X' is de affected and reproduce with a healthy man XY and breed unhealthy boys, but because of the heterozygous gametes you could also have healthy ones XX and XY
 
        
             
        
        
        
Answer:
the answer is c just did it on edg and got it right 
Explanation:
 
        
             
        
        
        
Answer:
That cells are not the building block of life
Explanation: