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Table 1 Examination of chromosome number in RCC, BSB, 4nRB, gynogenetic offspring (G-1, G-2, and G-3) and backcross progenies (H-1, H-2, and H-3) of 4nRB

From: Abnormal chromosome behavior during meiosis in the allotetraploid of Carassius auratus red var. (♀) × Megalobrama amblycephala(♂)

Fish type

No. of metaphase

Distribution of chromosome number

<48

48

<100

100

<148

148

<150

150

<198

198

RCC

200

  

20

180

      

BSB

200

25

175

        

4nRB

200

    

44

156

    

G-1

200

  

38

162

      

G-2

200

    

28

172

    

G-3

200

      

32

168

  

H-1

200

  

27

173

      

H-2

200

      

31

169

  

H-3

200

        

39

161