TABLE I Analysis of Ploidy Subject No. <45 45 46 47 >47 Polyploid Exposed-175 rads 2 3 4 18 19 23 24 27 32 34 35 37 39 40 42 49 54 58 60 °1 2 2 1 1 1 1 1 2 A 1 1 3 2 2 1 4 3 3 2 4 6 6 1 6 3 49 48 46 48 46 46 47 47 45 43 45 46 48 43 41 42 45 43 45 1 1 1 ae 63 - 3 45 2 48 - 6L 64 68 69 73 74 78 79 80 82 2 - 1 1 4 2 4 1 7 41 - 46 3 1 3 6 4 5 1 47 47 44 40 42 41 45 1 1 1 2 3 1 1 1 1 1 - 2 1 1 - - - 1 - 3 - 2 - 1 - l 1 - 1 2 2 ~ - - 1 Exposed-70 rads 1 29 - 41 43 45 48 50 51 53 59 2 l 81 84 - 70 - 1 1 5 49 43 1 6 2 2 2 2 3 1 49 43 46 48 47 47 42 46 ~ 1 1 1 3 1 1 1 49 44 5 2 45 142 - 1 1 - - l