The pedigree below shows the inheritance pattern of a rare X-linked allele for one family. The filled in circles and squares show affected individuals.  Circles represent females and squares represent males. What is the probability of individual III-2 being born male and affected?  Please explain your answer.

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Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.