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Table 3 Number of partially asynapsed trivalents and the type of ectopic asociations in 2n = 32 heterocygote spermatocytes

From: Robertsonian chromosomes and the nuclear architecture of mouse meiotic prophase spermatocytes

 

Asynapsed trivalents

0

1

2

3

4

5

6

7

8

Total

%

Ectopic associations

none

35

1

3

4

3

2

0

0

0

47

33,6

XY/triv

2

13

8

6

8

3

0

0

0

38

27,1

triv/triv

0

0

5

7

4

4

0

0

0

22

15,7

both

0

0

0

3

9

12

3

2

3

33

23,6

Total nuclei

37

14

16

20

24

21

3

2

3

140

100

  1. 140 nuclear microspreadings from 2n = 32 pachytene spermatocytes were examined.The single axes and central element of the SC were identified by immunochemistry, using, respectively, anti-SYCP3 and anti-SYCP1 antibodies (as in Figure 5c & d).
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Biological Research

ISSN: 0717-6287

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