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