单倍体中含有X-性染色体和含有Y-性染色体的性比基本相同。
The gender ratio of X chromosome and Y chromosome was almost same in the haploid.
像许多有性繁殖的物种一样，人类有特殊的性染色体。
Like many sexually reproducing species, humans have special gonosomes.
布莱克本在研究一种简单的池生生物四膜虫的染色体时，获得了一个突破性的发现。
The first hint of a breakthrough came when Blackburn was studying chromosomes in a simple pond-dwelling organism called tetrahymena.
有可能，科学家依据哪个能够用来进行测试，可以看到样本中线粒体或Y染色体的遗传相似性。
It's possible scientists could have looked at genetic similarities in the mitochondria or even Y chromosome of samples as well, depending on what's available to test.
脆性X综合征，一个X染色体上的基因突变，是遗传性智力障碍最常见的来源，每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4,000 boys and one in every 6,000 girls.
脆性X综合征，一个X染色体上的基因突变，是遗传性智力障碍最常见的来源，每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4, 000 boys and one in every 6, 000 girls.
两个都位于染色体上2P35区域的单核苷酸多态性（SNPs）对于在相关的同种疾病总数的酒精依赖上有着最高程度的相关性。
Two single nucleotide polymorphisms (SNPs), both located onthe chromosomal region 2p35, had the highest degree of associationwith alcohol dependence in a relatively homogenous patient population.
只需要多几次这类切除，就能达到带有单一环状线粒体祖先全部功能性基因的18条微型染色体。
It would take just a few more excision events to arrive at 18 mini chromosomes with all the functionality of their single-circle ancestor.
超染色体交叉细胞核作为生物时间调节者的重要性即使不是一项新的发现，也是最近的发现。
The vital importance of the SCN as a biological time setter is a recent discovery, though not a new one.
结合这两个种的染色体倍性鉴定、序列分析和栽培观察实验，初步确定划分为两个种。
Acoording the ploidy analysis of chromosome, sequences and the survey of cultivation in field, Opisthopappus is primarily divided into two species.
石龙芮染色体非整倍性和染色体异常的观察。
The observation on chromosome aneuploid and chromosome abnormity in ranunculus sceleratus l.
奇怪的是没有妇女在两个X染色体都有单核苷酸多态性。
Strangely, none of the women had the SNP on both X chromosomes.
HPRT基因突变频率与染色体畸变、微核具有良好的相关性。
The HPRT gene mutation frequencies had better linear relations with chromosome aberrations and micronuclei.
使用流式细胞仪(FACS)分析其染色体的倍性。
结果表明，胚性愈伤组织是棉花染色体观察的最佳材料。
The results indicated that embryogenic callus was the best material for observed chromosome.
对扩增后的ES细胞进行染色体和全能性检测。
The totipotent and chromosome of the expanded ES cells were also examined.
结合G带带型分析，对人与猕猴的染色体同源性及其进化进行了讨论。
Combinded with the comparative analysis of G-banding, the evolutional relationship of these chromosomes between human and macaques was discussed.
结果显示各类序列的进化水平沿常染色体呈现明显的非均匀性和规律性。
The results show that the evolution levels of each kind of sequences along chromosomes take on obvious heterogeneity and regularity.
非同源染色体间带型各不相同，某些染色体具有易于识别，特征性较强的A型带标记。
All of the experimental materials had characteristics of a type banding patterns which could be recognized easily in some chromosome pairs.
从染色体的核型、数目和结构的多态性及带型等方面综述了中国黄牛染色体研究进展。
The current research of studying on Chinese cattle chromosome was reviewed including its karyotype, polymorphism of structure and banding patterns.
讨论了激光显微外科术应用于染色体工程等遗传学研究的可能性。
The possibility of laser microsurgery in genetics study such as chromosome engineering was discussed.
脂质沉积性肌病是一种肌细胞内脂肪异常沉积引起的常染色体隐性遗传病。
Lipid storage myopathy is one kind of autosomal recessive inherited disease with lipid abnormally sludging in the muscle cell.
本文就染色体基因位点与非综合征性唇腭裂致病机制的关系作一综述。
This review will briefly summarize the relation between gene locus in chromosomes and mechanism of pathopoiesis of NSCLP.
伴随DNA改变的基因损伤会导致基因的点突变、染色体间基因移位和扩增性基因复制。
Genetic damage with DNA alterations leads to point mutations of genes, translocations of genetic material between chromosomes, and gene reduplication with amplification.
目的：为探讨人近端着丝粒染色体随体联合与自然流产的相关性。
Objective: To search the relationship between satellite associations in human acrocentric chromosomes and recurrent abortions.
目的：为探讨人近端着丝粒染色体随体联合与自然流产的相关性。
Objective: To search the relationship between satellite associations in human acrocentric chromosomes and recurrent abortions.
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