Hannah and Franz both have blond hair and blue eyes. Their daughter Elsa has blond hair and blue eyes. Elsa has therefore received similar genes from her parents. She is said to be __________ for these traits.

Question

Quizplus · Accepted Answer

Inheriting from parents similar genes for a given trait is referred to as being homozygous for that trait. In this example, both of Elsa's parents have blond hair and blue eyes. Both blond hair and blue eyes are recessive traits, so this tells us that Elsa's parents are homozygous, as is Elsa herself.

Hannah and Franz Both Have Blond Hair and Blue Eyes