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0
29486
0
60
block

what are chromosomes made up of?

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29487
0
60
none
29488
0
60
none
29489
0
60
none
29490
0
120
none
29491
0
60
none
29492
0
60
none
29493
0
60
none
28577
0
60
none
28579
0
60
none
28582
0
60
none