Humans who have an abnormally high level of cholesterol  are said to suffer from familial hypercholesterolemia.  The gene for this disorder is dominant (C). A man who is  heterozygous for familial hypercholesterolemia marries a  woman who is homozygous for the recessive allele. What is  the probability that they will have children that suffer from  this disorder?

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A: 50 percent chances.

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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.