- non-sister chromatid
- 非姐妹染色单体
Medical Chinese dictionary (湘雅医学词典). 2013.
non-sister chromatid
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Mitosis — Not to be confused with meiosis, miosis, or myositis. Mitosis divides the chromosomes … Wikipedia
Centromere — Chromosomal components: (1) Chromatid (2) Centromere (3) Short arm (4) Long arm A centromere is a region of DNA typically found near the middle of a chromosome where two identical sister chromatids come closest in contact. It is involved in cell… … Wikipedia
Meiosis — Not to be confused with miosis, mitosis, or myositis. For the figure of speech, see meiosis (figure of speech). Events involving meiosis, showing chromosomal crossover Meiosis (pronounced /maɪˈoʊsɨs/&# … Wikipedia
Homologous recombination — Figure 1. During meiosis, homologous recombination can produce new combinations of genes as shown here between similar but not identical copies of human chromosome 1. Homologous recombination is a type of genetic recombination in which nucleotide … Wikipedia
DNA repair — For the journal, see DNA Repair (journal). DNA damage resulting in multiple broken chromosomes DNA repair refers to a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome. In human… … Wikipedia
Homologous chromosome — Homologous chromosomes are chromosomes in a biological cell that pair (synapse) during meiosis, or alternatively, non identical chromosomes that contain information for the same biological features and contain the same genes at the same loci but… … Wikipedia
Immortal DNA strand hypothesis — The immortal DNA strand hypothesis was proposed in 1975 by John Cairns as a mechanism for adult stem cells to minimize mutations in their genomes.Cairns, J. 1975. Mutation selection and the natural history of cancer. Nature (London) 255: 197… … Wikipedia
Heteroduplex — A heteroduplex is a double stranded (duplex) molecule of nucleic acid originated through the genetic recombination of single complementary strands derived from different sources, such as from different homologous chromosomes or even from… … Wikipedia
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Mutagen — In genetics, a mutagen (Latin, literally origin of change) is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level. As many… … Wikipedia
Origin and function of meiosis — Eukaryotes are organisms with a true nucleus in which the DNA genome is enclosed in a double membrane (e.g. fungi, protozoans, vertebrates, higher plants), in contrast to prokaryotes (bacteria and blue green algae) that lack a nuclear membrane.… … Wikipedia
