- 更多網(wǎng)絡(luò)例句與授精的相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò)欧日黄片,僅供參考]
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The haploid nucleus of a ''.
原核授精的核聚變之前的''黄色网站直入。
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Females, in other words, would rather choose which males inseminate them.
換句話說99riav8,雌性更愿意選擇那些讓它們授精的雄性。
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In other words , would rather choose which males inseminate them .
換句話說国产一级视频性交,雌性更愿意選擇那些讓它們授精的雄性黄色AV免费观看网站。
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The observations came from patient with healthy reproductive function enrolled in artificial insemination clinic where in semination attempts were well-timed for each menstrual cycle The data had been aligned by the day of ovulation (Day0).determined by serum luteinizing hormone
來自患者健康觀察招收人工生殖功能授精診所輸精嘗試很及時每次月經(jīng)周期的數(shù)據(jù)已對準(zhǔn)了一天排卵(day0)。由血清黃體素
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In the experiment besides entire spermatophore transplantation and spermaduct transplantation, partial spermatophore transplantation and semen transplantation were firstly used in artificial insemination of Fenneropenaeus chinensis. Artificial insemination rate, fertilization rate and hatching rate were compared among the four methods. The results indicated that artificial insemination rate of four methods was high, the highest was 80.8% and the lowest was 53.3%.
在常規(guī)的精莢移植和輸精管移植兩種中國對蝦人工授精方法的基礎(chǔ)上国产嫖妓凹凸视频,首次建立了精莢切塊移植和精液移植兩種新的人工授精方法特大特粗特黄无码,并對比了4種方法的授精成功率、受精率和幼體的孵化率有色有爽。4種方法都取得了較好的授精成功率欧美肏屄网,其中完整精莢移植法最高,為80.8%亚洲女优操逼色视频;輸精管移植法最低99精品众筹模特在线视频,為53.3%;其他兩種方法依次為:精液移植法為73.9%欧美很鲁视频在线观看,精莢切塊移植法為66%天天草夜夜。
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To induce diploid gynogenesis in summer flounder, eggs were fertilized with heterogenous cryopreservative sperm of Lateolabrax japonicas , which was irradiated with UV ray to be genetically inactivated, and cold shock was used to prevent extrusion of the second polar body.
中文摘要:用冷凍保存的花鱸精子作為異源精子,采用紫外線對精子進(jìn)行照射使其遺傳物質(zhì)失活久久夜色精品国产欧美一,然后與卵子進(jìn)行"授精"鸥美性交直播,可以刺激犬齒牙鲆魚卵進(jìn)行雌核發(fā)育,在受精后一定時間采用冷休克處理"授精"卵国产AV无码片毛片一级下载,抑制第二極體排出成功獲得了犬齒牙鲆雌核發(fā)育二倍體魚苗欧美成狠狠碰。
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It indicated that the yield of tetraploidy not more than 25% induced by inhibiting the first mitosis with CB, colchicine and 6-DMAP, respectively, while it can be induced with higher percentage by blocking PB1releasing with CB. The tetraploidy percentage of groups shock began at 15—22min after fertilization are higher than that shock began at 42min, and the yield of tetraploidy also increased with the CB density and time lasting.
結(jié)果表明,CB黄色网站永久、6-DMAP和秋水仙素抑制扇貝第一次卵裂誘發(fā)四倍體的比例低于25%少妇xx精品;采用CB抑制PB1可有效地誘導(dǎo)產(chǎn)生四倍體,從授精后42min提前到15—22min開始處理2021国产精品区在线观看,抑制PB1的放出有助于提高四倍體的比例一级婬片A片多人尿,在12℃,處理開始和終止時間分別在授精后20—22min和62—67min時(即PB2始出現(xiàn)時)伊人久久大香线蕉综合网蜜芽,面盤幼蟲四倍體率最高91在线无码视频,為56.5%。
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The results showed that although 2n pollens had a certain germinatingability,the germinating process of natural and artificia 2n pollens was tardier than that of1n pollens,and 2n pollens had weaker competition in mixed pollination than 1nbreeding practice.
應(yīng)用這種方法對2n花粉生命力和發(fā)育情況進(jìn)行測定觀察發(fā)現(xiàn)黑人黄色网站免费在线视频,盡管2n花粉保持有一定的萌發(fā)力日韩一级做受黃色毛片,但與1n花粉相比,天然和人工2n花粉的發(fā)育進(jìn)程均較遲緩人人操超碰人人爱,在參與授精的競爭中處于劣勢,這也正是育種中三倍體得率低的根本原因亚洲欧美日韩人妻视频。
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We biopsied 1-2 single blastomere from 6-8 cell cleavage stage intracytoplasmic sperm injection embryo, and using nested PCR amplified the high frequently mutation region G380R of FGFR3 gene of the single blastomere. The products of PCR were digested by restriction enzyme Bfm Ⅰ, then the digested products were detected by 10% PAGE to see whether the embryo inherted the mutation of the patient and to screen out normal embryo transfer.
活檢經(jīng)胞質(zhì)內(nèi)單精子注射(intracytoplasmic sperm injection毛片黄色视频在线观看免费,ICSI)授精的胚胎發(fā)育至6~8細(xì)胞期的1~2個單卵裂球,采用巢式PCR擴增單卵裂球的FGFR3基因的高發(fā)突變位點G380R區(qū)域欧美激情专区在线,用限制性內(nèi)切酶BfmⅠ消化巢式PCR的內(nèi)擴增產(chǎn)物18分钟处破之好疼在线观看,再經(jīng)10%聚丙烯酰胺凝膠電泳檢測有無遺傳患者的該種突變黄色视频美国A片,從而篩選出正常胚胎移植。
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To induce diploid gynogenesis in summer flounder, eggs were fertilized with heterogenous cryopreservative sperm of Lateolabrax japonicas , which was irradiated with UV ray to be genetically inactivated, and cold shock was used to prevent extrusion of the second polar body.
中文摘要:用冷凍保存的花鱸精子作為異源精子国产免费一级毛卡片AAAAA级,采用紫外線對精子進(jìn)行照射使其遺傳物質(zhì)失活黄色网站在线免费。观看,然后與卵子進(jìn)行&授精&,可以刺激犬齒牙鲆魚卵進(jìn)行雌核發(fā)育欧美14初处破在线播放,在受精后一定時間采用冷休克處理&授精&卵国产在线播放第一页,抑制第二極體排出成功獲得了犬齒牙鲆雌核發(fā)育二倍體魚苗。
- 更多網(wǎng)絡(luò)解釋與授精的相關(guān)的網(wǎng)絡(luò)解釋 [注:此內(nèi)容來源于網(wǎng)絡(luò)中日韩美女啪啪啪一级黄片,僅供參考]
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dispermy:雙精受精
例如應(yīng)用高濃度的精液或授精前用氯仿等麻醉劑哪里可以看免费的av、尼古丁等生物堿進(jìn)行處理則可引起多精現(xiàn)象和卵裂異常. 這些實驗性多精受精現(xiàn)象,常常作為研究單精受精機制的手段而被應(yīng)用. 相應(yīng)地精子只是兩個的時候,則稱為雙精受精(dispermy),在最初卵裂中可出現(xiàn)三個極.
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in vitro fertilization:體外授精
而在體外授精(in vitro fertilization)的實驗中,null mice的排卵數(shù)量與野生型無明顯差異,但null公鼠精子與null母鼠卵子結(jié)合,其受精比例明顯下降. 綜合以上研究結(jié)果顯示,mGC-G表現(xiàn)在睪丸中的精細(xì)胞與精子,而在運送到附睪末端后mGC-G受到水解修飾,
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in vitro fertilization:授精
"作為研究胚胎干細(xì)胞的科學(xué)家,王媛談了自己的觀點,"在人工體外授精(in vitro fertilization)時,醫(yī)生往往會同時準(zhǔn)備數(shù)個受精卵以備用,但并非所有的受精卵都植入母親的子宮孕育生命,剩余的受精卵通常會被銷毀,而科學(xué)家用人工授精后須銷毀的受精卵繼續(xù)體外培養(yǎng)取得干細(xì)胞.
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insemination:授精
按照術(shù)語學(xué)家的定義,授精( insemination) 使得精卵相遇,精卵質(zhì)膜融合. 受精( fertilization)指的是精子和卵子各自的單倍體基因組相融合形成兩倍體合子的事件. 對于那些在卵子完成減數(shù)分裂之前精子進(jìn)入卵子的生物體而言,
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artificial insemination:工授精
人工授精(artificial insemination)是指用人工的方法將男性的精子注入女性的體內(nèi),以達(dá)到受孕目的的生殖技術(shù). 這種技術(shù)實際上是取代自然生殖過程中的性交這一環(huán)節(jié).
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semination:授精
seminarcosis 半麻醉 | semination 授精 | semiofficial 半官方的
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spermatophore:精包
雄性無交配器,體外或體內(nèi)受精,體外受精種類在水中由兩性幾乎同時排出卵子和精液,完成授精作用;體內(nèi)受精種類的雄性先排出由膠質(zhì)形成的精包(spermatophore),這是泄殖腔內(nèi)骨盆腺(pelvic gland)和泄殖腔腺(cloaca gland)所分泌的粘性膠質(zhì)物,
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monospermous:只產(chǎn)一種子的
"單精受精卵","monospermic egg" | "只產(chǎn)一種子的","monospermous" | "單精授精","monospermy"
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monospermous:祇產(chǎn)一種子的
單精受精卵 monospermic egg | 祇產(chǎn)一種子的 monospermous | 單精授精 monospermy
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monospermy:單精授精
"只產(chǎn)一種子的","monospermous" | "單精授精","monospermy" | "單孢子囊(胞)","monosporangium"