Recent studies suggest that having the A blood type increases the risk of serious complications for patients suffering from COVID-19.  Sarah doesn't know her blood type, but she knows her father is type O and her mother is type AB. What is the probability, from 0 to 100 percent, that Sarah is blood type A? Enter a single whole number from 0 to 100.

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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.