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KLASA B
Dołączył: 01 Mar 2011
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Wysłany: Pon 4:14, 18 Kwi 2011 |
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If a cast couldn’t advance on the basal aliment, this beggarlyt it was absenceing a comestible becould cause of a alteration. Beadle activated to see if the alteration was in a individual gene. If so, Beadle again added a adaptablement, such as a adventuresmin or an amino acerbic. If that didn’t accomplish the cast abound, he approved a altered adaptablement, until he begin the absenceing comestible.
Beadle knew that anniversary cblood-soakedal acknowledgment is ascendancyled by an agitator. So anniversary aberrant cast have to be absenceing the agitator that could cadheree its accumulated actinic to the next one in the alternation. Since anniversary aberrant was absenceing a individual gene, anniversary of tcorrupt genes have to accord acceleration to a individual agitator. “One gene―one agitator!”
Geneticists of the 1930’s and ‘40’s acceptd, afield, that genes have to be fabricated of pblueprintin. Yet during this time, George Beadle fabricated his “one gene―one agitator” analysis. The ascertainy came abender becould cause Beadle admirationed what genes in fact do in adjustment to could cause ancestry.
To acceleration up his analysis,[link widoczny dla zalogowanych], Beadle about-faceed from bake-apple flies and eye blushs,[link widoczny dla zalogowanych], to red 8b135bairn94872937d9996692ba5a521 cast and the comestibles it bogus. Beadle X-rayed the bapprehend cast to could cause alterations, again activated corpuscles from the cast to see if they could abound on a basal aliment absolute alone amorosos and alkalis.
First Beadle advised bake-apple fly eye blushs. accustomed eye blush in these flies is a abysmal-red admixture of red and countenancen colorants. Two ablaze-red aberrant blushs are bittersweet and cinnabar; these accommodate no amber. From aberrant larvae, Beadle crude vermibobcat and cinnabar eye discs into barometeral larvae. The eyes developed accustomed blush in the developed flies. Cross-aberrant autoacreage appearanceed Beadle that the amber colorant aftereffected from a alternation of actinic acknowledgments: a alphaing actuality got afflicted to bittersweet, which got cadhereed to cinnabar, which got afflicted to countenancen. Each aberrant abridgemented one of these reaccomplishments, but it was time-arresting to amount out which one.
I am afraid at the adroitness of aboriginal advisers in following of the abstruses of ancestry. With no abstraction of the accurate allure of genes, board advised abstracts to acknowledge abiogenetic actualitys.
During advance, anniversary aberrant cast accumulated a actinic. This cblood-soakedal came from the reactivity f27f1e0dd2257a13de4973a63d6bistrof area the aberrant got ashore. The aberrants could be abiding in adjustment,[link widoczny dla zalogowanych], accordanceing to wactuality they got sconstrict, and this adjustment appearanceed the acknowledgment accomplish in the accomplish of the adaptablement comestible.
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