chromosomes no. in meiocytes ( diploid , 2n ) and gametes ( haploid , n ) of house fly , rat ,dog , cat , fruit fly , ophioglossum ( a fern ) , apple , rice , maize , potato , butterfly , onion

Name of the organism   Chromosome number in   Chromosome number in
            meiocytes                 gamete

 
1. Housefly   12    6
2. Rat   42  21
3. Dog   78      39
4. Cat   38      19
5. Fruitfly   8  4
6. Ophioglossum                         1260  630
7. Apple   34  17
8. Rice   24  12
9. Maize       20  10
10. Potato       48    24
11. Butterfly       380  190
12. Onion     32  16

  • 13
  1. House fly -- 2n=12
  2. Rat --------- 2n=42
  3. Dog ---------2n=78
  4. Cat----------2n=38
  5. Fruit fly-----2n=8
  6. Ophioglosum-2n=1260
  7. apple ------2n=34
  8. Rice------2n=24
  9. maize --- 2n=20
  10. potato ---2n=48
  11. butterfly---2n=380
  12. onion-----2n=35

To find chrm. no. in gamete divide by 2

  • 4
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