Show 10 lOt i ho O Decries Bolles R 4 X-Eay X aY y Use Usein Usein in n Birth Control t AUSTIN Texas AP Use AP Use of the ray X ray X-ray ray tn In n birth control Is condemned by jy Dr II H. J J. J Muller professor proCessor of zoology at the University of Texas Dr Muller luller has attracted wide attention attention at- at among scientists by his success success suc- suc cess ess in employing the thc X-ray X to modify modify mod mod- fy the genes or or r life giving cells ces and nd to stimulate new characteristics In n. n living organisms organisms- thus acceleratIng Ing ng evolution lie says sas says that undesirable and harmful armful mutations or basic c changes langes often occur when t tl the e a powerful powerful poW- poW erful light is used in hi birth control efforts The zoologist last year won won the 1000 prize offered by the American Association for the Advancement of Science for the most notable con- con to the advancement of science presented at the organizations organizations ions annual meeting His Ills paper read ead at the Nashville convention last ast December covered his X ray experiments on fruit flies meso Ho Here reported re- re ported that by directing car carefully measured rays amon among so 16 genes g he had been able to alter some seine and leave others unchanged Eventually Dr Muller plans to try his sId skill on cotton In an to perpetuate the good qualities of If the genes Jenes and eliminate the poor ones ores |