列举单基因遗传病和多基因遗传病
单基因遗传病:1。常染色吃读喜些练扬圆文体上显性治病基因:多指、并指、软骨发育不全2。X染色体上显性致病基因:抗维生素D佝偻病3。常染色体上隐形治病基因:白化病、先天来自性聋哑、...
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进行性肌营养不来自良症是单基因遗传病还是多基因遗传病
单基因遗传病:1。常染色体上显性治病加征周基因:多指、并指、软骨发育不全2。X染色体上显性致病基因:抗维生素D佝偻病3。常染色体上隐形治病基因:白化病、先由移文那校天性聋哑、苯丙...
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人类遗传病有哪些
常见遗传病总结常染色体显性遗传软骨发育不全上臂、大腿短小畸形,腹部隆起;臀部后凸;身材矮小致病基因导致长骨两端软骨细胞形成出现障碍常染色体隐性遗传白化病患者来自皮肤、毛发、虹膜中...
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高二生物 遗传病
首先这道题的*****是考"遗传病"来逐个**:A:研究猫叫综合征的遗传方式360问答,在学校内随机抽样调查抽样调查而不调查家系是不正确的B:研究红绿色盲的遗传方式,在患者家系中...
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少年糖尿病属于() 基因遗传病
少年糖尿病属于(多)基因遗传病青少年型糖尿病是多个基因,多种因素共同作用的结果
人类最常见的遗传病有哪些
主要类型疾病类型:由于遗传物质的改变,包括染色体畸变以及在染色体水平上看不见的基因突变而导致的疾病,统称为遗传病。根据所涉及遗传物质的改变程序,可将遗传病分为三大类:其一是染色体...
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lyon假说有凯老风哪些要点?如何解释x连锁遗传病的杂合子个体病情较轻
Lyon假说是1961年M.F.Lyo来自n提出的阐明哺乳动物剂量补偿效应的X染色体失活假说,主要内容是:(1)正常雌性哺乳动360问答物体细胞中,两条X染色体中只有一条在遗传上...
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遗传病对坏长人类有哪些危害?
遗传病是报红胞指由于遗传物质改变而造成的疾病。遗传病在上、下代之间按一定方式传递,同时,遗传病的发病也需要一定的环境因素。现在已被认识的遗传病有5000多种,包括镰刀型细胞贫血症...
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人的遗传病有那些
遗传病是指由于遗传物质改变而造成的疾病。遗传病在上、下代之间按一定方式传递,同时,遗传病的发病也来自需要一定的环境因素。现在已360问答被认识的遗传病有5000多种,包括镰刀型细...
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人的遗传病有那些
遗传病是指由于遗传物质改变而造成的疾病。遗传病在上、卷敌明元相已物下代之间按一定方式传递,同时,遗传病的发病也需要一定的环境因素。现在已被认识的遗传病有5000多种,包括镰刀型细...
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各类传染病遗传病资料
遗传病是指由于遗传物质改变而造成的疾病。遗传病在上、下细世互树还底律代之间按一定方式传递,同时,遗传病的发病来自也需要一定的环境因素。现在已被认识的遗传病有50360问答00多种...
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如今,遗传病的研究备受关注,已知控制某遗传病的致病基因位于人类性染色体的同源部分,下图甲表示某家系中该遗传病的发病情况...
A
人类遗传病包括染色体变异产生的遗传病,21三体综合症是遗传病吗?不可育的算遗传病吗?
不一定若变异在体细胞里,则不可遗传若变异在生殖细胞里,则可遗传