In humans, Tongue roller and widows peak are dominant over non-tongue roller and straight hairline. A heterozygote in both regards (for both tongue roller and hairline) reproduces with a similar heterozygote (they have the same genotype as the other parent).  What is the chance of any one child having the same phenotypes as the parents?  (You will need to do the cross and count up the offspring phenotypes and give a percentage such as 8/16 = 50%)

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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.