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原有基因通过DNA重组技术得以改造的动物称为转基因动物。现在这一技术可使羊奶中含有人体蛋白质，人类控制蛋白质合成的基因可以替代羊染色体上的相似基因，下图表示了这一技术的基本过程。请回答： ...
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原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类
4%
51.76%
1.3%
8%
４分原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类控
科学家利用胚胎干细胞改造老鼠的特定基因使实验鼠的这些基因失去作用以研究其功能此技术被称为基因敲除即用
该项研究涉及基因工程、动物细胞培养等技术
该项研究中，对照组是未发生基因重组的正常动物
该研究中需导入“无效基因”，切除“特定基因”
重组DNA导入胚胎干细胞后需筛选真正基因重组的干细胞
过DNA重组技术使原有基因得以改造的动物称为转基因动物运用这一技术可使羊奶中含有人体蛋白质下图表示这
通过DNA重组技术使原有基因得以改造的动物称为转基因动物运用这一技术可使羊奶中含有人体蛋白质下图表示
原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类
原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类控制蛋
下列关于基因工程的说法正确的是
天然质粒都含有标记基因和限制酶识别位点，故常作为基因工程的载体
噬菌体作为基因工程载体可以将重组DNA导入到动物受体细胞而获得转基因动物
农杆菌可将以其Ti质粒为载体的重组质粒导入植物细胞以获得相关转基因植物
采用乳腺细胞为目的基因的受体细胞，可获得乳汁中含有相应的产物的转基因动物
过DNA重组技术使原有基因得以改造的动物称为转基因动物运用这一技术可使羊奶中含有人体蛋白质下图表示这
过DNA重组技术使原有基因得以改造的动物称为转基因动物运用这一技术可使羊奶中含有人体蛋白质下图表示这
通过实验手段将新的遗传物质导入到动物胚细胞中并能稳定遗传由此获得的动物称为
重组近交系
同源突变系
同源导入近交系
转基因动物
简述转基因动物的原理及培育转基因动物的方法
通过DNA重组技术使原有基因得以改造的动物称为转基因动物运用这一技术使羊奶中含有人体蛋白质如图表示这
原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类控制蛋
下列有关培育转基因动物的相关叙述正确的是
整个培育过程的设计和施工都是在细胞水平上进行的
培育转基因动物所需的目的基因都是从供体细胞中直接分离得到的
转基因动物的培育成功，表明科学家可打破物种界限，定向改造生物性状
转基因动物与原动物相比，由于发生了基因突变而使其基因型发生了改变
要获得转基因植物可选用植物的体细胞作然后通过组织培养技术获得如果要获得转基因动物可选用动物的体细胞作
原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类
过DNA重组技术使原有基因得以改造的动物称为转基因动物运用这一技术可使羊奶中含有人体蛋白质下图表示这
2015年·沈阳五中三模科学家利用胚胎干细胞改造老鼠的特定基因使实验鼠的这些基因失去作用以研究其功能
该项研究涉及基因工程．动物细胞培养等技术
该项研究中，对照组是未发生基因重组的正常动物
该研究中需导入“无效基因”，切除“特定基因”
重组DNA导入胚胎干细胞后需筛选真正基因重组的干细胞
原有基因通过DNA重组技术得以改造的动物称为转基因动物现在这一技术可使羊奶中含有人体蛋白质人类
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PengLanandLiuQiangaretalkingabouttheirsummervacationplansathome.PengLan=PLiuQiang=LPHeyLiuQiang．WhatareyougoingtodothissummervacationL56．______．Thescenerythereisverybeautiful．PSoundsgreat．It’sconsideredastheTreasureIslandofChina．57．______LI’llgotoMountAliSunMoonLakeandsomeothertouristattractions．AndIwanttoseeTuantuanandYuanyuan．P58．______LByship．Youknowthepolicyismuchbetterthanbefore．Peoplefromthemainlandcanflyortakeashipthere．Iprefertogotherebyship．P59．______．It’salittlemoreslowlybutinteresting．Wellit’sreposedthefarmerscanselltheirfruitstothemainland．ItnotonlyhelpsthefarmersearnmoneybutalsomakesacontributiontothecommunicationbetweenTaiwanandthemainland．LThat’sright．Ihopeourcountrycanuniteearly．PMetoo．60．______LInhalfamonth．Myparentswillgowithme．PWelldon’tforgettobringbacksomevariousdeliciousfruitsfromTaiwan．LOfcoursenot．______
AAlittleboyinvitedhismothertoattend出席hiselementaryschool’sfirstteacher-parentmeeting.Tothelittleboy’sdismayhismothersaidshewouldgo.Thiswouldbethefirsttimethathisclassmatesandteachersmethismotherandhewasembarrassed尴尬的byherappearance.Therewasasevere严重的scar伤疤thatcoverednearlythewholerightsideofherface.Theboyneverwantedtotalkaboutwhyorhowshegotthescar.Atthemeetingthepeoplewereimpressed留下深刻的印象bythekindnessofhismotherwiththescarbutthelittleboywasstillembarrassedandhidhimselffromeveryone.Howeverhecouldhearclearlytheconversationbetweenhismotherandtheteacher.Howdidyougetthescaronyourfacetheteacherasked.ThemotherrepliedWhenmysonwasababyhewasinaroomthatcaughtonfire.EveryonewastooafraidtogoinbecausethefirewasoutofcontrolbutIwentin.AsIwasrunningtowardshisbedIsawaburningwoodfallingdownandIplacedmyselfoverhimtryingtoprotecthim.Iwasknockedtobeunconscious无知觉的butluckilyafiremancameinandsavedbothofus.Shetouchedtheburnedsideofherface.ThisscarwillbeforeverbutuntiltodayIhaveneverregretteddoingwhatIdid.Whenthelittleboyheardthishecouldn’thelprunningtowardshismotherwithtearsinhiseyes.Hehuggedherandfelthismotherwasgreaterthananyone.Heheldherhandtightlyfortherestoftheday.Theboy’smotherwasactually事实上_______
Itwasalmost9:00p.m.whenMaryleftherofficetogohomeitwas16.Shestartedhercaranddrovebacktoherhomeinthecountry.Thesnowwasheavy.ThenMarycrossedasmall17.Suddenlythecarrushedoutofthebridgewhichwascoveredwithice.Maryhitherheadonthesteeringwheel方向盘andlostconsciousness知觉.Whenshewokeupherheadwasbleeding流血andshewasshakingfromthe18.Shedidn’tknow19shewas.Maryopenedhercardoorandlookedaround.Shewas20thebridgeandhercarwassittingonthefrozenriver!Shefeltverysad.Sheknewtheicewouldn’tholdhercarforvery21.Shetriedtoclimbuptothebridgeseveraltimesbutshekept22inthesnow.Marytriedagainandagainbutstillshecouldn’tgetup.Sherealizedthat23couldseehercarunderthebridge.Shewaslyinginthesnowandshecouldn’tmove.Maryclosedhereyesandwaitedto24.Thenshehearda25.Maryopenedhereyes.Therewasanoldmanstandingoverher.Withthehelpoftheoldmanshestoodupandwalkedup.Ⅱ．完形填空/Cloze
COnahotAfricanmorningLeilawaslyingonherstomachandanelephantwaswalkingtowardsher.Leilawaited.Thenshepushedthebuttononhercamera.AndIgotmybestphotoofanelephanteverbylyingundermycarLeilaexplained.Iwantedtogetclosetotheelephantsbutofcoursethiswasdangerous;theyhadtheirbabieswiththem.SoeverymorningIusedtoparkmycarintheopennearthepath.Theyusedtotakethesamepatheverymorningwhentheyleftthewaterhole.Afteraweektheywereusedtoseeingmycar.SothenextmorningIlayunderitandgotmyphoto!ManyofthebestwildlifephotoscomefromgoodplanningInAfricaphotographerssetuptheirhides藏匿处nearwaterholes.Theyalsosetuphidesnearforestpathsasanimalsusethesamepathseverynight.Forbird-watchingmanylakeshavehides.Insidethehidesbird-watcherscanwatchalldayintheshade荫处outofthewindandrain.Goodwildlifephotosareneededforhookspostcardsmagazinesandnewspapers.Butasuccessrateof1in20isgood.Howcanphotographerstakegoodphotos
Youmust______thebuilding.
I’mwaitingformyfriend.Ifshe______返回I’llgoshoppingwithher.
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