Polytene divisions

This section contains images of individual polytene chromosome divisions (courtesy of Mark Benedict). These images can also be viewed at their original location. Please see Marc Benedict's notes on these images.

Chromosome X

1abc

2bc

3, 4

5, 6

Chromosome 2

7a (tel.) 7, 8 9a 9, 10 10cd 11 11a 12 12a 12e

13 14 15 15e, 16abc 16d 17 17c 18ab 18cd 18d

19a 19ab 19cde 20 20bcd, 21 21a 21ef 22 22bcdef 23

24 24a 25 25d 26 26a 27 27bcd 28 28a

Chromosome 3

29	30	30a	31	31d	32	32a	33	33ab	34
34a	34d	35	36	37	37a	38	39,40	39a	39c
40	40c	41	41a	42	43	43d	44	45	45a
45bc	46

7a (tel.)	7, 8	9a	9, 10	10cd	11	11a	12	12a	12e
13	14	15	15e, 16abc	16d	17	17c	18ab	18cd	18d
19a	19ab	19cde	20	20bcd, 21	21a	21ef	22	22bcdef	23
24	24a	25	25d	26	26a	27	27bcd	28	28a