| 单词 | chromatid |
| 例句 | Each chromatid, now called a chromosome, is pulled rapidly toward the centrosome to which its microtubule was attached. Concepts of Biology 2013-04-25T00:00:00Z Each chromatid, now called a chromosome, is pulled rapidly toward the centrosome to which its microtubule is attached. Biology for AP Courses 2022-06-09T00:00:00Z Each copy of the chromosome is referred to as a sister chromatid and is physically bound to the other copy. Anatomy and Physiology 2013-06-19T00:00:00Z Finally, during recombination, chromatid arms are exchanged between the two homologous chromosomes. How sex chromosomes break up to get together 2020-05-26T04:00:00Z The maintenance of telomeres—the structures of repetitive sequences as the end of a chromatid—is essential to the health of a cell. [Business Office Feature] Targeting Telomeres in Human Disease: Advances and Therapeutic Opportunities 2014-04-29T14:57:10.659Z Each sister chromatid forms an individual kinetochore that attaches to microtubules from opposite poles. Concepts of Biology 2013-04-25T00:00:00Z In mitosis, homologous chromosomes line up end-to-end so that when they divide, each daughter cell receives a sister chromatid from both members of the homologous pair. Biology for AP Courses 2022-06-09T00:00:00Z The centromere is the structure that attaches one sister chromatid to another. Anatomy and Physiology 2013-06-19T00:00:00Z The frequency of meiotic double-strand breaks correlates with the number of chromatid structures called ‘loop–axis units’. How sex chromosomes break up to get together 2020-05-26T04:00:00Z These chromatic errors of systems, which are achromatic for two colours, are called the ``secondary spectrum,'' and depend upon the aperture and focal length in the same manner as the primary chromatid errors do. The Project Gutenberg Encyclopedia Volume 1 of 28 During anaphase II, as in mitotic anaphase, the kinetochores divide and one sister chromatid is pulled to one pole and the other sister chromatid is pulled to the other pole. Concepts of Biology 2013-04-25T00:00:00Z Now, when that sister chromatid is moved into a gamete cell it will carry some DNA from one parent of the individual and some DNA from the other parent. Biology for AP Courses 2022-06-09T00:00:00Z Each chromosome in the homologous pair is also bound to an identical sister chromatid, which is produced by DNA replication, and results in the familiar “X” shape. Anatomy and Physiology 2013-06-19T00:00:00Z The recombinant sister chromatid has a combination of maternal and paternal genes that did not exist before the crossover. Concepts of Biology 2013-04-25T00:00:00Z The main differences between the processes occur in the first division of meiosis, in which homologous chromosomes are paired and exchange non-sister chromatid segments. Biology for AP Courses 2022-06-09T00:00:00Z Now, when that sister chromatid is moved into a gamete, it will carry some DNA from one parent of the individual and some DNA from the other parent. Concepts of Biology 2013-04-25T00:00:00Z The sister recombinant chromatid has a combination of maternal and paternal genes that did not exist before the crossover. Biology for AP Courses 2022-06-09T00:00:00Z |
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