When a baby inherits skin color genes from both biological parents, a mixture of different genes will determine their skin color.
This means that the skin color a baby has depends on more than one gene. This is because the gene for brown eyes is dominant.Ī baby’s skin color is a polygenic trait. For example, if one of a baby’s parents passed on the gene for blue eyes and the other parent passed on one for brown eyes, their baby would have brown eyes. Some of a baby’s physical characteristics will come from dominant genes from either biological parent.
This means that a baby receives half of their genetic makeup from each of their biological parents. Each of a person’s chromosome pairs has one chromosome from each parent. Which birth parent will the child most resemble?Ī person usually has 23 pairs of chromosomes.
