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Licence: In copyright
Credit: "Szilard's Theory of Aging". Source: Wellcome Collection.
19/46
![For the wild' type -e obtain t » the a o s t. pro»afete A-A h. . -v , £>r? '< . * - « .'®; • ' ' .* ' I- .• «» CvVÌ: té'*?- ' ' ••' : *» . age at death# by «Tîtisg; r SS 2 and 1» î f* we. thus ohtaia t m m SI » 5 ya&s?»* fh« a&taal value for a &i 'fc'« female« in tfis United * w ' & tf,tes is * » 80»5 years. • 3§&$V J • f: . .-y£ ' V ' . : r .Vv ; ' : ' : far tue• r, hybrid .we obtain t » the «est probable age at » •' *y 3Ti : ♦a*. death by writing» r » o and 1» *V 4 f« So We t'ha e obtain t « 93.15 * -• T :M j Öart© fhia ■ is 12 years aar« than the val«e for tb« wild ''-tyj>e. It id| thus 'be ««en ttot ©uw®tanti,ally aM'rár tenti life • • / ^ *J •»„ S **■ *. /» • . ' J ^ »- * ^ ^ • * ( * »' # • . ( • /% ' *' » 'if .*• » # ^ * »* • . * ' * » * 'y' • /V V • %.• » , J * / J Arf » f »' ' * » . » w . expectancy of the ftaaasygoua» iwbr.ed* atipia» as eoapar'ed with the t* » -e* %• wild type 9. with the theôï-fo H owava 46? t m ifterè*d'è4 Xif& '«rpöet«0$ of - the ' hybrid »itti til# « ■ k « « • » j- I •- ^ - wild type strain is of the theory• li N'* • » * '' •' V ' V* .— %; m r r f v' - k ' ' • » *-• i s » * 1 A' *'«• 4 • \ r • $ C , • .*• « • \ * •* -. * < í '• r fh is a ease que Ré* of the theory .eau Id fee sted by experiments on short-lived aaaaale, say aies. I» or à er te reader ,$•*!& the experiaeat aere wmiUve, «ne any first expoaa to ionizing • ^ • . » - , -•« .»' • i • _ , . ^ . * € i •* . ^ • i* • * . * / ¿'V ' » j ' * ^ ^ 9 ^ *. t t * i # » t * * . • i «% ^ • <■* i .| \ j* • j « 4 % # . _ • ^ #w % ' 7 radiation a pepuistioa of wild type aloe over several generai i-ars s »ay thereby lacrease the nusber of faults is the populati;.a. Starting ^tth such a 414' population» e ario feed in fruits, one y ou Id t en sel tí c % t ¥ o unr u I n % a d j^L' tw- -¿-a derive fro® the» two Infered hoffiozygoue »traías. the theory debatido that the hyhrid of the«® » *n » ^ •' rf # <«< V » * ' » » j > 'y ^^ . #v -• — K r » I • m . ' il il >1 ' <% —« J -r ^ _» ■ ■ 1 . ^ -w^ » - # ^«a. two inbred strains should live IP? r reoia'bly longer than the pò on t r c m v.- h i c * ■ i h e t •-. o f n cm Í .1 1 e s wer e s 11 e o 11¡ û © 0 i V © n a s u i t s. b !.. e opportunity, I pro ase ta arrange for experiments of this sort» h negative result might well prove fötal for the ti-eory 4 m ', * » c *» ' * I 1 » H i * r« »» 1, • ' l^< ' i - >7« V , 14 -1 \ ( « • * 1 I, •, i ' . • * '• • » 1 il» W I ■ •• - » / A • I * « > • ' I should aarh'apa add at this point that the abaerved différéneee ia the life- ex eetaacy.of the aole and the female da I ». ! « /I. ' \ \ i* ' I f. |V*J ' * »4 I * «J ' O f ( i ' » ( ^ '/J I J M< r Jl ^ ». ^ » à ' • > * # * ^ *' 1 * * » • '» » ' • i i • ' ' i a . \ 1«* •* ' / ' I ( ^ f] \| 7 * > provide à uéeble criterion for ''the validity of the tfeaary heeaaaa f*» the surviving fraction of the eosa tic cells at death, might](https://iiif.wellcomecollection.org/image/b18184078_PP_CRI_H_2_29_0019.jp2/full/800%2C/0/default.jpg)
