二倍体生物如果某一对同源染色体多出一条染色体，则称之为“三体”．三体在减数分离第一次分裂联会时，3条同源染色体中的任意2条随意配对联会正常分离 Sketch Coloring Page

二倍体生物如果某一对同源染色体多出一条染色体，则称之为“三体”．三体在减数分离第一次分裂联会时，3条同源染色体中的任意2条随意配对联会正常分离 Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #4975 Orange by Marcos Roberto Molina

anonymous

anonymous
sketch #4975 Orange by Marcos Roberto Molina

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anonymous

anonymous
sketch #3447 Hidan (Akatsuki) by ßeyza Karaca

sketch #5347

anonymous

anonymous
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sketch #1892 hmmmm........

anonymous

anonymous
sketch #1892 hmmmm........

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anonymous

anonymous
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sketch #3897 dolphins playing over the sea

Rachel Christa Ibarrientos
sketch #3897 dolphins playing over the sea

sketch #3337 Uryuu Minene by Michael Angcay

anonymous

anonymous
sketch #3337 Uryuu Minene by Michael Angcay

sketch #78 Dino-Roar

Rachel Roe
sketch #78 Dino-Roar

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sketch #3127 Hulk George Lucaz

anonymous

anonymous
sketch #3127 Hulk George Lucaz

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Emin AltınKöprü
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anonymous

anonymous
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sketch #4869 Madara by Jean-Benoit Renaud

anonymous

anonymous
sketch #4869 Madara by Jean-Benoit Renaud

sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #3300

anonymous

anonymous
sketch #3300

sketch #3058 Marilyn Monroe by Adam Pyszny

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anonymous
sketch #3058 Marilyn Monroe by Adam Pyszny

sketch #33 Flutter-bys

Rachel Roe
sketch #33 Flutter-bys

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anonymous

anonymous
sketch #4957

sketch #5370 Requiem for the Phantom by Marita Amaya

anonymous

anonymous
sketch #5370 Requiem for the Phantom by Marita Amaya

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anonymous

anonymous
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sketch #3014 Fancy

James Forest
sketch #3014 Fancy "S "

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anonymous

anonymous
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sketch #4953 Bird by Ervin Haxhija

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anonymous
sketch #4953 Bird by Ervin Haxhija

sketch #3392

anonymous

anonymous
sketch #3392

sketch #3626 Skream by Wellen Lima

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anonymous
sketch #3626 Skream by Wellen Lima

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sketch #2250 lelouch

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anonymous
sketch #2250 lelouch

sketch #3204 eminem

anonymous

anonymous
sketch #3204 eminem

sketch #3381 DBZ by Adidtzu Ady

anonymous

anonymous
sketch #3381 DBZ by Adidtzu Ady

tomski二倍体生物如果某一对同源染色体多出一条染色体，则称之为“三体”．三体在减数分离第一次分裂联会时，3条同源染色体中的任意2条随意配对联会正常分离 coloring

为什么雄蝗虫只有一条性染色体，却还是二倍体生物�？那21三体综合征算几倍体？知乎 sketch template

二倍体 快懂百� sketch template

题目下列对二倍体细胞增殖过程中�生的变化的叙述正确的是A 间期结束细胞中染色体和中心体数目都会加倍B 1个精原细胞经交叉互换后可能 sketch template

如图为某二倍体生物细胞分裂某一时期示意图1234代表染色体aa′bb′代表染色单体如果没有基因突变且不考�同源染色体之间的 sketch template

2018·全国卷Ⅲ某小组利用某二倍体自花传粉植物进行两组杂交实验杂交涉及的四对相对性状分别是红果红与黄果黄、子房二室二与多 sketch template

二倍体生物如果某一对同源染色体多出一条染色体，则称之为“三体”．三体在减数分离第一次分裂联会时，3条同源染色体中的任意2条随意配对联会正常分离 sketch template

染色体检查报�怎么看知乎 sketch template

同源染色体 百度百� sketch template

题目图1和图2表示某二倍体生物正在分裂的细胞中出现的染色体行为变化下列叙述正确的是 A图1对应的细胞中一定有同源染色体图2对应的 sketch template

单亲二体（UPD）是指正常二倍体的体细胞（2n）中某对同源染色体都来自父方或母方的现象。下图表示某种UPD的�生机制：减数分裂出现错误的二体 sketch template

如图甲是某二倍体生物体细胞染色体模式图A F是细胞�生变异后的染色体组成模式图据图回答1图中A F中显示�生染色体变异的是BCD sketch template

15．显微镜下观察到二倍体生物细胞中染色体数为26条则该细胞不可能处在 A．有丝分裂后期 B．有丝分裂中期 C．减数第一次分裂中期 D sketch template

研究人�对某二倍体动物2n有丝分裂和减数分裂细胞中的染色体形态数目进行了观察分析．图1为其细胞分裂中某一时期的示意图图2是不同细胞中的 sketch template

二倍体生物学术语搜狗百� sketch template

1号染色体三体、嵌合体和单亲二倍体 知乎 sketch template

DNA、基因、染色体三者间的关系究竟如何？知乎 sketch template

同源染色体 搜狗百� sketch template

如图示一对同源染色体及其上的等位基因下列说法中错误的是 A．来自父方的染色单体与来自母方的染色单体之间�生了交叉互换 B．B与b的 sketch template

题目下图为某二倍体动物细胞甲在有丝分裂和减数分裂过程中出现的三个细胞乙丙丁有关叙述正确的是A 图中乙细胞正在进行有丝分裂可能 sketch template

基于NGS Trio的单亲二倍体检测方法及应用与流程 sketch template

减数分裂过程中的4个易混点 1同源染色体和非同源染色体 �同源染色体是指减数分裂中配对的两条染色体，形态、大小一般都相同，一条来自父方，一 sketch template

二倍体生物的下列细胞中含两个染色体组的是 A．胚囊中的细胞 B．囊胚中的细胞 C．极体 D．极核——青夏教育精英家教�—— sketch template

11．某细胞中有两对基因分别位子两对染色体上下图图解正确的是——青夏教育精英家教�—— sketch template

下图为某二倍体生物体细胞分裂的模式图下列叙述正确的是 A．乙为初级精母细胞含8条染色单体B．甲处在有丝分裂后期含8条染色体有同源 sketch template

右图是某二倍体生物细胞分裂模式图下列说法正确的是 � 该细胞有可能是次级精母细胞或是次级卵母细胞或是极体 � 该细胞中1与23与4为 sketch template

对下列四幅图的描述正确的是 A．图1中含两个染色体组l与23与4为同源染色体 B．在适宜的温度水肥等条件下适当增加光照强度图 sketch template

右图表示某二倍生物一对同源染色体上的部分基因以下说法正确的是 A．图中共存在4对等位基因 B．图示所有基因的编码区都是不连续的 C．图中茎高 sketch template

如图表示某二倍体生物一对同源染色体上的部分基因以下说法正确的是 A．图中共存在4对等位基因B．图中所示基因在染色体上�线性排列C．图中 sketch template

如图是某二倍体生物细胞分裂模式图．有关此图的下列说法正确的是 �该细胞有可能是次级精母细胞或第一极体�该生物的基因型是AaBB�该细胞中有 sketch template

如图是某二倍体生物细胞分裂的模式图以下说法错误的是 A．该细胞处于减数第二次分裂后期 B．该细胞含两个染色体组不含同源染色体 C．该细胞是 sketch template

图是某雄性二倍体动物体内一个正在分裂的细胞．判断它不处于减数第二次分裂中期的理由是 �有同源染色体 �有等位基因 �有成对的性染色体 � sketch template

如图为某精原细胞分裂过程中的一对同源染色体及其等位基因下列说法错误的是 A．�和�之间�生了交叉互换 B．该细胞可能来自二倍体动物 C．A与 sketch template

右图是某二倍体生物细胞分裂模式图下列有关此图的说法正确的是 �该细胞有可能是次级精母细胞或是次级卵母细胞或是极体 �该细胞中1与23与4为 sketch template

某生物的体细胞内含有三对同源染色体经减数分裂产生的ABC型配子占配子总数的 A．1／2 B．1／4 C．l／8 D．1／16 题目和参考答案 sketch template

人体下列细胞中一般含有同源染色体的一组是�口腔上皮细胞�精原细胞�次级精母细胞�成熟红细胞�心肌细胞 A．��B．��C．��D sketch template

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