POTENTIAL FOR GENETIC SUPPRESSION OF INSECT POPULATIONS 



37 



-.--Numbers in each generation in which conditional lethal traits cannot be expressed when native population of 

 2,00; | was overflooded in parental, Fp F, , and Fj generations by partially sterile insects 



rich 1 conditional lethal trait 



released ilicy 



Genera- 

 tion 



'.d 



No offspring from matings between 

 partially sterile insects 



7,8 dom. 

 alleles 



100 

 7 

 

 



6-8 don. 

 alleles 



100 

 21 

 1 



Total 



2,080 

 2,166 

 2,260 



2,36: 



Proportionate offspring from matings between 

 partially sterile insects 



7,8 dom. 

 alleles 



■^-8 don. 

 alleles 



100 

 20 



Total 



11,881 

 23,911 

 43,050 

 81,935 



100 



20 



100 

 70 

 15 



^,060 



8,365 



17,747 



39,873 



100 

 17 



100 

 59 



43,264 

 142,301 

 486,159 

 ,020,161 



200 

 9 



200 



168 



59 



22 



4,160 

 9,005 

 21,143 

 58,606 



200 

 50 

 13 



200 



153 



92 



100 



23,762 



85,571 



391,545 



2,870,090 



200 

 158 

 93 



157 



200 

 548 

 626 



1,415 



8,120 



34,399 



168,147 



1,135,904 



200 

 114 



62 

 44 



200 

 397 

 499 

 688 



86,528 



559,110 



4,734,500 



46,207,866 



396,000— 90 Fivefold-— r 2 



f3 



2,040 

 2,082 

 2,126 

 2,171 



21,741 

 45,036 

 81,209 

 152,919 



4,030 

 8,182 

 16,861 

 35,788 



82,832 



274,150 



931,556 



3,847.774 



Tenfold 



101 

 20 



2 

 



101 



71 

 16 

 3 



4,080 



8,494 



18,414 



43,374 



101 

 19 



101 

 65 

 30 

 21 



43,482 



157,060 



699,296 



4,984,656 



101 

 68 

 24 

 17 



101 

 254 

 202 



224 



8,060 



33,206 



148,238 



835,210 



101 

 183 

 192 

 209 



165,664 



1,067,514 



8,984,906 



87,580,048 



Table 19. — Numbers in each generation in which conditional lethal traits cannot be expressed when native population 

 of 2,000 Insects (3 autosomal genes BBDDEF. plus 1 sex-linked gene AA; female is heterogametic) was over- 

 flooded in parental, F, , F,, and F-j generations by partially sterile insects faabbddee, a-bbddee) with 1 

 conditional lethal trait 



Sterility Rate of 

 increase 



Genera- 

 tion 



No offspring from matings between 

 partially sterile insects 



Males 



Total 



Proportionate offspring from matings 



between partially sterile insects 

 Hales Females Total 



198,000— 90 Fivefold— 



1,040 



139 



13 



2 



545 

 76 

 7 



2,080 

 2,166 

 2,322 

 2,772 



1,040 



186 



39 



7 



545 

 99 

 15 

 4 



11,880 

 23,910 

 43,050 

 81,934 



198,000— 80 --do — 



2,030 

 460 

 156 



70 



,040 

 252 

 84 

 42 



4,060 



8,364 



18,214 



45,974 



2,030 

 663 

 362 

 350 



1,040 

 347 

 190 

 184 



43,264 

 142,300 

 486,156 

 ,020,142 



198,000— 90 Tenfold— 



2,080 

 689 

 390 

 342 



1,090 

 382 

 218 

 190 



4,160 

 9,004 

 21,610 

 65,288 



2,080 

 1,014 

 1,027 

 2,342 



1,090 

 548 

 550 



1,230 



23,762 



85,572 



391,542 



,870,044 



198,000— 80 ..do— 



4,060 

 2,209 

 3,833 

 14,649 



2,080 

 1,242 

 2,144 

 7,997 



8,120 



34,400 



171,406 



,206,836 



4,060 

 3,515 

 6,915 

 20,800 



2,080 

 1,855 

 3,595 



4,849 



86,528 



559,110 



4,734,478 



46,207,232 



396,000— 90 Fivefold— 



1,020 

 92 



522 

 51 



2,040 

 2,082 

 2,188 

 2,582 



1,020 



129 



19 



4 



522 

 67 

 10 



21,740 

 45,036 

 81,210 

 152,918 



396,000— 80 — do— 



2,015 



355 



79 



26 



1,020 



183 



46 



15 



4,030 



8,182 



17,344 



42,124 



2,015 

 539 



249 

 188 



1,020 

 274 

 121 

 95 



82,832 



274,150 



931,552 



3,847,732 



396,000— 90 Tenfold- 



2,040 

 467 

 164 



1,045 

 242 

 92 

 44 



4,080 



8,494 



18,898 



50,022 



2,040 

 724 

 539 

 925 



1,045 

 381 

 286 

 485 



43,482 



157,060 



699,292 



4,984,602 



396,000— 80 --do— 



4,030 

 1,592 

 1,759 

 2,880 



2,040 

 862 

 961 



2,356 



8,060 



33,206 



151,844 



921,802 



4,030 

 2,826 

 4,330 

 10,229 



2,040 

 1,461 

 2,256 

 5,290 



165,664 



1,067,512 



8,984,826 



87,578,912 



