In a particular family, the presence of albinism is dominant. Ken and Jan was both albino having four albino children. Their albino daughter Leah met and married Liam who was also albino. Leah and Liam had four children and to the surprise of their parents one of the four grandchildren was not an albino. When considering genotypes and phenotypes explain this phenomena. Support with Punnett squares.

Question

In a particular family, the presence of albinism is dominant. Ken and Jan was both albino having four albino children. Their albino daughter Leah met and married Liam who was also albino. Leah and Liam had four children and to the surprise of their parents one of the four grandchildren was not an albino. When considering genotypes and phenotypes explain this phenomena. Support  with Punnett squares.