Some problems represent a non–X-linked recessive trait. Inheritance of Single-Gene Problems

Some problems represent a non–X-linked recessive trait. Inheritance of Single-Gene Problems

A person usually must receive two abnormal genes, one from each parent to have the disorder. Neither parent has the disorder but each has a 50% chance of passing the abnormal gene to the children if both parents carry one abnormal gene and one normal gene. Consequently, each youngster has

A 25% possibility of inheriting two unusual genes (and so of developing the condition)

A 25% potential for inheriting two genes that are normal

A 50% potential for inheriting one normal and another unusual gene (therefore becoming a provider associated with disorder such as the parents)

Continue reading Some problems represent a non–X-linked recessive trait. Inheritance of Single-Gene Problems