of the parental genomes. In eukaryotes, sex involves meiosis-mixis-cycles and is tied to reproduction. The prevalence of sexual reproduction in eukaryotes is striking because of the obvious high costs of sex [2]: first, recombination during meiosis breaks up beneficial gene combinations; associated...
At the (3′) end, you'll turn to meiosis 来自 国家科技图书文献中心 喜欢 0 阅读量: 22 作者:A Moldón,J Ayté 摘要: Many cellular fates are determined by different genetic programs, but the regulation of cellular differentiation is still not well understood. Besides the possible control ...
Starvation for a relative short pregnancy time, from 12.5 to 15.5 dpc, caused a significant decrease of the mother’s body weight at the end of treatment (Fig. 1a), paralleled to reduced concentrations of glucose, total cholesterol, progesterone (PROG) and E2 in the blood (Fig. 1b–e)....
Achievement of meiosis in XXY germ cells: study of 543 sperm karyotypes from an XY/XXY mosaic patient Human sperm chromosomes from a 46,XY/ 47,XXY male were obtained using the technique of in vitro penetration of zona-free hamster eggs. The analysis of 543 ... J Cozzi,E Chevret,S Rou...
Overview of the RNA-Seq data Thirty cDNA libraries were constructed and generated paired-end sequence reads using the Illumina Hiseq X Ten system, from six early developmental stages (DS) (Additional file 1: Figure S1) of H. nobilis, with five replicates of each stage. A total of 1,498,...
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An abnormal chromosome produced during mitosis or meiosis that is characterized by the presence of two genetically and morphologically identical chromosome arms fused at the centromere. Strictly, the common alteration of chromosome 17 in medulloblastoma is more often an isodicentric (17q), as the brea...
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What is the result when a diploid cell undergoes meiosis? Diploid Cell: A diploid cell is a basic unit of life that contains two copies of genetic information within its nucleus. Each of these copies come from the parents of that cell, one from the mother and one from the father cell. ...
Lastly, chromosome segregation errors during gamete formation in meiosis are a primary cause of human birth defects and infertility. This review describes the consequences of mitotic and meiotic errors focusing on novel concepts and human health. Keywords: aneuploidy; polyploidy; microtubule; chromosome ...