DNA是分子,是基础.基因由一串DNA组成.染色体又由很多很多DNA(包括很多基因)外加蛋白质构成. DNA就像是字母 而基因就是词 染色体就是句子. 其实这个比喻不恰当.应该这样比:一根长绳子(DNA),很长.中间的某一节(基因).把这根绳子绕在罐头上,绕很多罐头,绕完后在仔细堆放好,就是染色体了. 分析总结。 把这根绳...
那么gene（基因)就是还有遗传信息的序列，也就是说，DNA还有RNA是由无数基因组成的，allele是等位基因，...
Using a non-parametric statistical test for biased gene loss between subgenomes, we infer that all Dioscorea share an ancient paleo-allotetraploidy, which was followed by species-specific chromosome rearrangements. We use genomic and genetic resources to identify nine QTL for anthracnose resistance and...
Sinclair AH, Berta P, Palmer MS, Hawkins R, Griffiths BL, Smith M, Foster JW, Frichauf AM, Lovell-Badge R, Goodfellow PN. A gene from the human sex-determining region encodes a protein with homology to a conserved DNA-binding motif. Nature. 1990;346:240–5. ArticlePubMedCASGoogle Scho...
This gene is thought to have been evolved by a mutation in the SOX3 gene. The human SRY is a single exon that encodes a protein of 204 amino acids which contains a conserved DNA-binding domain. SRY is essential for initiating testis development and differentiation of the bi-potential gonad...
, a deleterious effect of testosterone or to differences in the expression of the Fmr1 gene or a variety of X-linked and autosomal DNA repair genes. ... AL Rachel,Z Xiao-Nan,E Ali,... 被引量: 0发表: 2018年 An assessment of the origin of Alopecurus geniculatus L. based on 2C DNA...
Men and women differ in circulating lipids and coronary artery disease (CAD). While sex hormones such as estrogens decrease CAD risk, hormone replacement therapy increases risk. Biological sex is determined by sex hormones and chromosomes, but effects of
glaucus and P. canadensis. We show that P. appalachiensis' Z-linked genes associated with a cooler thermal habitat were inherited from P. canadensis, whereas its W-linked mimicry and mitochondrial DNA were inherited from P. glaucus. Furthermore, genome-wide AFLP markers showed nearly equal ...
There are many other human DNA polymorphisms. There are large polymorphic elements called minisatellites or VNTRs (variable number tandem repeats); Alu insertions may be polymorphic; chromosome deletions and rearrangements are polymorphic in humans; gene structure and copy number may be polymorphic. (...
The sequence of human chromosome 18, which has the lowest gene density of any human chromosome, is now complete. Surprisingly, the proportion of non-protein-coding regions evolutionarily conserved among mammals is close to the genome-wide average. This s