People with AB negative blood type account for 1 percent of the population, according to Oneblood.org. This is very rare due to the genetic components that must come together to create a person with this blood type. A person with AB negative blood possesses both A and B antigens.
Additionally, people with AB negative blood are considered Rh negative. Children with this blood type must be born to parents who are both Rh negative, which is a recessive gene. Considering that less than 20 percent of the population has Rh negative blood, and even fewer are AB negative, a person with AB negative blood type is rare.Learn More
A man with type AB blood cannot be the father of a child with type O blood. A child with type O blood would have to get the O allele from both its father and mother.Full Answer >
According to the Canadian Children's Rights Council, if a mother has A negative blood and a father has O negative blood, the baby has either A negative or O negative blood. Type A is more likely, because it is dominant over type O.Full Answer >
Blood in humans is red, not blue. It is a misconception that human blood is blue and turns red upon touching oxygen in the air.Full Answer >
The red color of blood comes from the hemoglobin that makes up the majority of the mass of the cell, which allows the blood cell to carry oxygen around the body. The plasma itself is a straw color when viewed under a microscope, but the hemoglobin makes up so much of the blood cell that its red color overpowers the color of the plasma. When a red blood cell is full of oxygen, the red has a scarlet tint to it, when it has released it's oxygen its more of a dark burgundy color.Full Answer >