1) Can you roll your tongue? Tongue rolling is a Dominant trait. If you can roll your tongue, assume you are heterozygous (Rr). If you cannot roll your tongue, you are homozygous recessive for this trait (rr). Complete the Punnett Square below and calculate the percentage probability of inheritance: Partner A: Yes or No Partner B: Yes or No Probability (percentage) of having Tongue-rolling child? Non tongue-rolling child? % %

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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.