31+ Blood Type And Parents Background. To keep the blood supply safe, every donation is tested for blood type and checked for infectious diseases. What are the components of blood?
Ask your parents or doctor. (you can also work it backward if you know the child's. Blood type i(o) is recessive, meaning it can only present itself if both genes are type i, like a child can only have blue eyes if both parents give the gene for for example, if both parents have blood type ab, the punnet square would look like this.
The abo group system gives the letter part of your blood type and rh system gives the positive or negative part.
When that happens, instead of the child expressing. For instance, if both mother and alleged father however, in 1 out of 4 instances, both parents will contribute their recessive o gene to their child. Everyone has an abo blood type (a, b, ab, or o) and an rh factor (positive or negative). It is taken so seriously that some people are discriminated because of their by 1927, takeji furukawa, a professor at tokyo women's teacher's school, suggested that personality types and blood groups must be related.