1. Do you know your blood type?
Blood Types
Do you know your blood type?

2. There are 4 Blood Type
_____________

3. There are 4 Blood Type
Type A
_____________

4. There are 4 Blood Type
Type A
Type B
_____________

5. There are 4 Blood Type
Type A
Type B
_____________

6. There are 4 Blood Type
Type A
Type B
Type AB
_____________

7. There are 4 Blood Type (Ritter et al, 2002) Type A Type B Type AB
Type O
(Ritter et al, 2002)

8. There are only 3 alleles
Blood is type A, B, AB and O. Can you guess the 3 alleles?

9. There are only 3 alleles
Blood is type A, B, AB and O. Can you guess the 3 alleles?
Allele A IA
Allele B IB
Allele O IO

10. Dominance Genotypes Phenotypes A and B are codominant.
Type A
Type B
Type AB
Type O
A and B are codominant.
Both A and B are dominant over O.

11. Dominance Genotypes Phenotypes A and B are codominant.
Type A
IAIA IAIO
Type B
Type AB
Type O
A and B are codominant.
Both A and B are dominant over O.

12. Dominance Genotypes Phenotypes A and B are codominant.
Type A
IAIA IAIO
Type B
IBIB IBIO
Type AB
IAIB
Type O
IOIO
A and B are codominant.
Both A and B are dominant over O.

13. Why is Blood Type Important?
Blood types were discovered in the early 1900’s.

14. Why is Blood Type Important?
Blood types were discovered in the early 1900’s.
blood has (or lacks) a protein marker on the cell walls of blood cells.

15. Why is Blood Type Important?
Blood types were discovered in the early 1900’s.
blood has (or lacks) a protein marker on the cell walls of blood cells.
Incompatible blood types clump (agglutination). This is NOT healthy. This can clog arteries.

16. RH Factor
You can be Rh+ or Rh-

17. RH Factor
You can be Rh+ or Rh-
Rh+ is dominant over
Rh -

18. Rh and pregnancy

19. Rh and pregnancy
If Mother is Rh- and baby is Rh+, there could be a disasterous reaction.

20. Rh and pregnancy
If Mother is Rh- and baby is Rh+, there could be a disasterous reaction.
Rh+ blood from baby can leak across placenta and cause a reaction in Rh- mom.

21. Rh and pregnancy
Mom’s immune system does not recognize Rh+ proteins and mounts an attack!

22. Rh and pregnancy
Mom’s immune system does not recognize Rh+ proteins and mounts an attack!
Fortunately, we can treat this. Once recognized, mom and baby are safe!

23. Now…apply your knowledge!
Blood mystery!
Solve the
mystery.
See pg. 147 in
your text.