Blood Types Mrs. K. Johnson

The 4 Types of Blood (copy this in your notes) Antibodies in blood Genotype Phenotype There are 2 parts found in the blood; antibodies (these attack foreign matter-the body guards!) and antigens (proteins telling what they are-blinking neon signs).

This is a type of CO-DOMINANCE

Blood type GENOTYPES (copy this one in your notes) Type A can be I A I A or I A i Type B can be I B I B or I B i Type AB is I A I B Type O is ii

Paternity Questions?

Here’s How in 2 Easy Steps 1. Find the genotypes of the parents. 2. Put them into a punnett square.

Example #1 Billy has type B blood I B I B (or I B i) We’ll use the first one. Jenny has type A blood I A I A or I A i We’ll use the first one.

Billy & Jenny’s baby… Make your punnett square. The possibilities are….. IAIBIAIB

Example #2 My husband and I had our blood typed recently and were shocked to learn that we are both type B but our child is type O. How can this be?