Cystic Fibrosis is an autosomal recessive disorder. A couple are both carriers of the recessive allele (both heterozygous (Cc)) and have the normal wild-type phenotype. What is the probability of the following occurring; If they have one child, what is the probability of it having cystic fibrosis (cc)?

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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.