Cours Uni 3 - Hiridite

April 16, 2017 | Author: Hicham Elyazami | Category: N/A
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3

‫علم الوراثت البشريت‬

‫الوحدة الثالثت‬

09

   ADN

I 1

1

ADN

2

1

2

2

[email protected]

-1-

3

a

1

III5 Y X

II7  2

A//a a//a A//a a//a A//a A//A

a

I1 I2 II5 II6 III6 3

25%

Huntington

3

Huntington 45

30

4

1 2 IV1

3

3

H

1 n Y

X

2 III2  3

IV1 [email protected]

-2-

3

H//n n//n

50%

IV1

II 1

X

4

R

1

n 2

Y

X

3 n

n

X Y R n X X R X Y n n X X

I1 I2 II3 II4 III4

[email protected]

4 -3-

3

50%

III4

2

X

5

m

II3

1

N 2

Y 

X

3 m

N

X X N X Y m X Y m N X X m N X X

Victoria Albert II3 II5 III7 1 m

N

X X

N

X Y II3 m N X X II4 [email protected]

-4-

‫‪3‬‬ ‫‪‬‬

‫‪‬‬

‫‪II4‬‬

‫‪00%‬‬ ‫‪‬‬

‫‪II4‬‬

‫‪50%‬‬

‫‪(50% + 00%)/2 = 25%‬‬

‫‪3‬‬

‫‪Y‬‬

‫‪6‬‬

‫‪1‬‬

‫‪Y‬‬ ‫‪H‬‬ ‫‪2‬‬ ‫‪I1‬‬ ‫‪II3‬‬

‫‪H‬‬

‫‪X Y‬‬ ‫‪X X‬‬

‫‪‬‬

‫‪100%‬‬

‫‪A‬‬

‫‪ :‬مورثات خاصة بالصبغي ‪X‬‬

‫‪..: B‬جزء مشترك بين الصبغي ‪ X‬و ‪Y‬‬ ‫‪ .: C‬مورثات خاصة بالصبغي ‪Y‬‬ ‫‪7‬‬

‫‪-5-‬‬

‫‪[email protected]‬‬

3

III

1 Trisomie 21

21

1.1

21 8

21

47

21

2n = 46 + 1 = 47 

21 21

Klinefelter

2.1

9

47

X 2n = 22AA + XXY = 47 Klinefelter



XXY [email protected]

-6-

3

Turner

3.1

10

45

Turner 2n = 22AA + X = 45  X 

Turner Klinefelter

1

2 11

2 1.2

5

5

21 14 21

21 21

2.2 21

14

21 [email protected]

-7-

3

3

12

Echographie



ADN ADN



8

Huntington D

X Y 21 (XXY) Klinefelte (X) Turner 21 [email protected]

-8-

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