Cyanosis can occur due to conditions of the heart, lungs, and central nervous system.Ĭyanosis generally occurs due to a lack of oxygen in a baby’s blood. A baby with cyanosis will have bluish skin or mucous membranes. CyanosisĬyanosis is a symptom of certain conditions. But if a baby has blue skin all over their body or around the lips, it can mean they have an underlying condition. It is typical for a newborn to have blueish hands and feet for a few days after birth. A baby may look more like one parent than the other, or it may look like neither. Since a baby inherits half its genes from each biological parent, its physical appearance will be a mix of both. 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.

Sims 4 baby skins