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

To really have the disorder, an individual often must get two irregular genes, one from each moms and dad. 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 young kid has

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

A 25% possibility of inheriting two normal genes

A 50% potential for inheriting one normal and something irregular gene (hence being… Read more »