4 blood types

A,B,o Blood Typing

 

Genes “A” and “B” are co-dominant genes

Gene “o” is the recessive gene.

Blood Type:Mom is hybrid type B blood, Dad is hybrid type A blood.

1. Dom = A & B Rec= O

2. A and B and o

3. Mom= Bo Dad= Ao

4.

o oAB

5/6.

7. Genotypes = 25% Bo AB Ao ooPhenotypes = 25%

Types AB, B, A, and O

A o

B AB Bo

o Ao oo

Rh Factor Blood Type

• Rh+ means that have protein

• Rh- means that lack protien

• The dominant gene is +

• The recessive gene is -

Rh FactorDad is heterozygous Rh+ factor and mom is

homozygous for Rh- factor blood.

1. Dom = Rh+ Rec= Rh-

2. + = Rh+ - = Rh-

3. Mom = -- Dad = +-

4.

- -+-

5/6.

7. Genotypes = 50% + - - - Phenotypes = 50%

Types Rh+ and Rh-

+ -

- +- --

- +- --