1. (Multiple Allele)
ABO
single locus)
2 IA IB i
(Multiple
Allele)
ABO
single locus)
2 IA IB i
F.
Bernstein)
ABO
ABO
16.3 ABO
IAIA IAi A
IBIB IBi B

2. IAIB AB
ii O
ABO
3 IA IB i
2 1
multiple alleles)
Multiple alleles:
2 ABO
3 IA , IB i)
ABO

3. IA = A
IB = B
i = A B
IA IB
A
B
IAIA = A
A
IBIB = A
B
IAIB = A
AB
ii = i
O

4. R1 = , R2 =
R1 R2
R1 R1 = R2R2 =
R1R2 = Roan (
1:2:1

5. 1. complementary gene)
2
9:7
2. epistasis
)
melanin ) C
c cc
B b
B
b

6. 2
ABO 3
IA IB i
2
1
1. 1
1
2.

7. (Multiple Alleles)
ABO
(Single locus) 2
IA IB i 2 1
(Multiple Alleles)
IA A
IB B

8. i A B
ABO
IA IB
i IA IB
A B
A , B , AB O
ABO
ABO 4 A, B,
AB, O( null) 1. A
(AA AO) :
A B
2. B (BB BO):
B A
3. AB :

9. A B
4. O (OO) :
A B
- A
(AO) A O -
A
(AA) A -
B
(BO) B O -
B
(BB) B -
AB AB
-
O A, B,
AB, O universal donors") -
A
(AO) A O -
A
(AA) A -
B
(BO) B O -

10. B
(BB) B -
AB A, B,
AB, O universal receivers") -
O O
ABO
ABO IA , IB i
1. IAi x IB IB
IA IB : IB i
=1 : 1
AB : B
= 1 : 1
2. IAi x ii
IAi : ii
=1 : 1
A:O
= 1 : 1

11. ABO
IA = A
IB = B
i = A B
IA IB
A
B
IAIA = A
A
IBIB = A
B
IAIB = A
AB
ii = i
O

12. R1 = , R2 =
R1 R2
R1 R1 = R2R2 =
R1R2 = Roan ( ––--–--––----–-
1:2:1
Multiple alleles
2
multiple alleles) A 3 A1,
A2 A3 p, q r
p+q+r = 1

13. ABO
2 ABO
3 IA IB
i IA= p ,
IB= q i= r p+q+r= 1

14. p+q+r)2

15. IA, IB, i

16. 1.
F2
L
L'
genotype LL x L'L'
L L'
genotype LL'
F1 x F1 LL' x LL'
L L' L L'
genotype F2 LL LL' LL' L'L'
phenotype F2
1 : 2 : 1

17. 2. 4 - A B AB O
?
A B AB
O
genotype IA _ IB_ IAIB
ii
_i x _i
genotype IAi x IBi
IA i x IB
i
genotype
IAIB IAi IBI ii
phenotype AB A B
O
A B
3. 2
A O
B
AB

18. 1x A
O
genotype (IA)_i x IAi
O genotype ii
2x B
AB
genotype IA_(i) x I B_
AB genotype IAIB
genotype IAi
A
4.
7.1incompletedominant
7.2codominant
7.3multiplealleles

19. single locus) 2
ABO
IA I A B
i A B
www.sahavicha.c&file=readknowledgeom/?name=know
ledge&id=
http://school.obec.go.th/njw/education/biology/chapter06/index_l06_p15.html
http://www.thaigoodview.com/library/contest2552/type2/science04/27/contents/genetics-
198a.html
http://www.biology.science.cmu.ac.th/lectures/202231/PopGen_MultiAllele.html
http://www.sahavicha.com/?name=test&file=readtest&id=481
1. 10
2. 20