Robert is a dark-skinned Kenyan,and his wife Lorna is a light-skinned Swede.It is likely their baby Lucy will be born with tan skin.This is an example of

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Additive heredity means that the traits of the parents blend together to create a new trait in their offspring. In this case, Robert and Lorna have different skin tones, and their baby's skin color will likely be a blend of their skin tones, resulting in a tan skin color. This is not an example of dominant or recessive genes, where one gene is more dominant over the other, leading to a specific trait being expressed. Preformationism is an outdated theory that suggests that an entire human being is already present in a sperm or egg cell, and the baby's development is merely a process of unfolding.

Robert Is a Dark-Skinned Kenyan,and His Wife Lorna Is a Light-Skinned