| 词汇 | chromosome |
| 释义 | chromosome noun[ C ] uk /ˈkrəʊ.mə.səʊm/ us /ˈkroʊ.mə.soʊm/ any of the rod-like structures found in all living cells, containing the chemical patterns that control what an animal or plant is like: 染色体 X and Y chromosomesX染色体和Y染色体 sex chromosomes性别染色体 Science Photo Library - SCIEPRO/Brand X Pictures/GettyImages Genetics accession number adenine anaphase autosomal autosomally dizygotic genetically genetically engineered geneticist genic genomic genomics monozygotic mutate non-Darwinian non-familial non-genetic non-mutant nondominant sex-linked chromosomaladjectiveuk /ˌkrəʊ.məˈsəʊ.məl/ us /ˌkroʊ.məˈsoʊ.məl/ chromosomal abnormalities/defects chromosome | American Dictionarychromosome noun[ C ] us/ˈkroʊ·məˌsoʊm/ biology any of the structures shaped like rods that are found in living cells and contain the genes (= chemical patterns) which control what an animal or plant is like Examples of chromosomechromosome Identification and characterization of a new blast resistance gene located on rice chromosome 1 through linkage and differential analysis. Microtubules were organized around condensed chromosomes after the nucleus had been transferred into any of the three types of cytoplasm. Phylogenetic relationships between six species based upon polytene chromosome banding sequences. Rather than the expected two signals, 11 % of analysed oocytes had three signals for one or more chromosomes. For each permutation, the highest values of the # statistics along the chromosome map were stored for each model. Slides were screened for metaphase identification and chromosome analysis (chromosome count). Our first set of simulations was carried out to investigate the performance of the proposed test when all chromosomes were identical in length. In the simulations reported below, individuals consist of 7 chromosomes, each experiencing an average of 1 recombination event per chromosome. The stages at which human fertilization arrests: microtubule and chromosome configurations in inseminated oocytes which failed to complete fertilization and development in humans. This is much larger than the value for chromosomes from nature, as might be expected since it involves an arithmetic rather than a harmonic mean. The experiments should also be begun as soon as the chromosomes are extracted. Unprotected freezing of human spermatozoa exerts a detrimental effect on their oocyte activating capacity and chromosome integrity. The results are discussed in comparison with existing data on chromosomes of aspidogastrean species and other related helminth groups. During transmission of genetic material from one generation to the next, corresponding sections of maternal and paternal chromosome copies are sometimes exchanged (genetic recombination). We selected 12 insertions (one out of every nine) evenly distributed along the chromosome, which should be representative of the whole of its euchromatic fraction. See all examples of chromosome These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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