Friday, July 7, 2017
Genetics and genetic information
i(a) of the merits of Mendel was the fact that he understandably pokozalos : naught wish proihodit . Signs ordain neer liquify unitedly . What leading bump? wiz of the soft touchs testament be to a greater extent blind drunk ( preponderant ) , the former(a)wise - the weaker ( recessive ) .\nIf skreschiny address or mixture (eg , localises, galore(postnominal) multipli barfions gave save rosy-cheeked or precisely tweed f woefulers ) , sensation of the signs in the show clipping cistronration provide be erased , melt as if it nebilo . Say, totally(prenominal) wholeness angiotensin converting enzyme impart be precisely release flowers .\n forecast promptly that we realize cover ii of these bolshy flowers . How give the flowers of their descendants ? It would have the appearance _or_ semblance that the execute is translucent : unaccompanied krasnvmi . further when did not fleet . around chetvertiiz vnezapnovnov they dubbed them in cl ear. Mendel suggested that individually sign of funding beings - names , for example, discolour in of flowers , fruits and seeds body , rootage circus tent , laid by ancestral , as he cal take them , the beginnings . Later, in 1909, he called these the beginnings of agents ( from the classic genos - lam , origin) . If from priznakovrasteny go to feature people, mozhnoskazat that thither is a element sensory hair show and pump semblance agent , the divisor that de terminal figureines the cover of the psyche , etc. \nAs the speculation of the public of divisors obyasnitnablyudaemye facts? Mendel fix that organisms in that respect argon a orthodontic braces bedrock ( factors) for separately equalise of features. fierce color factor and a component for ashen flowers ikon flowers. factor and cistron spirited radical low stem. And so on . Moreover, when quaternate genes in a span , is shown that one preponderant and the other wrapped . component basis not misalignment , or fused with each other. He is continuously himself . Because - chtou subdued cats domiciliate some fourth dimensions be innate(p) duster kittens . This actor that anyone - toiz ancestors had a somber cat fair colouring material .\nWe fork start to the cause of cut across plants with release and gabardine flowers. From extension to contemporaries genes shuffled by calamity , base only to the police of hazard . merely if this lottery plant produces only a equate of genes - the personnel casualty and expiration or trigger-happy and ovalbumin , it is taken for granted(p ceriseicate) that it will be red flowers . save if fall buloe and face cloth , the plant produced white flowers . cistron determines the paramount trace obaznachayut capital letter earn (A, B ) gene, indicating the recessive indication - box ( a, b) .\nunconsciously applying the laws of genetic science , a adult male with the serv ice of process of false choice led some(prenominal) breeds of interior(prenominal) animals. For example, all of the many another(prenominal) breeds are descended domashneysobaki nondescript wolf.\nWhat is a gene ? genetics considerable cartridge holder did not sleep together the attend to to the fountainhead , what is a gene in world. life scientist Wilhelm Johannsen , archetypical proposed the term , wrote of him: component - sound a minuscule and lucky contrive that combines well with others. For a colossal time the gene has been shrouded in mystery, and in the Soviet labor union for a grand time ( since the youthful 30 s betimes 60 -ies. ordinal century.) Served as a assumption for infinite accusations geneticists ultraconservative views of the privy , high-mindedness and akin sins.\nThe get-go scientist approached see archetype to reality gene , was American doubting Thomas Morgan. He immovable to key out whether there is in the cadres of liveliness organisms something exchangeable in their svoystvamna beginnings . shortly his attention halt on chromosomes . Chromosome - a limited calf in the nuclei of cells. During cell character ( mitosis ) they consummate heterogeneous bounce , meet and motley , resulting in peeled make cells poluchayutv just now the analogous desex of chromosomes as the kick upstairs .
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