Answer to Question #311110 in Genetics for noora

Question

Q3. The following is a pedigree for a rare human trait: (10 Marks)

 

 

a.    What is the most probable mode of inheritance for the trait indicate above? Give reasons. (3 Marks)

 

b.    If individuals III-3 and III-8 marry, what is the probability of them having a child with the trait? (3.5 Marks)

 

 

c.    If individuals IV-1 and IV-10, what is the probability of them having a child who expresses the trait? (3.5 marks)

 

Answer 1

Mode of Inheritance is the manner in which a genetic trait or disorder is passed from one generation to the next. Autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive, multifactorial, and mitochondrial inheritance are examples.