Janssens F. A., 1909, La théorie de la chiasmatypie. 10 Types Of Nouns Used In The English Language, The Most Epic Words You’re Probably Neglecting. Find more ways to say crossing, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. See how your sentence looks with different synonyms. A place at which a river, railroad, or highway, for example, may be crossed: a railroad crossing; a pedestrian crossing. The process can be seen directly in stained cells, and indirectly if there are genetic markers or not on the chromosomes. Check your understanding of the crossing over of genes and the vocabulary used to describe that topic with an interactive quiz and ... General Studies Biology: ... Another word for eggs and sperm the interchange of sections between pairing homologous chromosomes during the prophase of meiosis, Synonyms:crossing, crosswalk, crossover, crossover voter. A place at which roads, lines, or tracks intersect; an intersection. The intersection of the nave and transept in a cruciform church. When, in crossing the Clos-Marie, he lifted his head, he saw that she was kissing the flowers.

b. This, it is thought, increases the chance that some of the offspring will survive and reproduce. The visible crossovers are called chiasma (plural: chiasmata), which is Greek for a cross. The tower rises above the crossing, and is crowned by sixteen pinnacles. STANDS4 LLC, 2020. Thoughts of crossing the stream by swimming occurred to him. The effect is to assort (shuffle) the alleles on parental chromosomes, so that the gametes carry combinations of genes different from either parent.

ing (krô′sĭng, krŏs′ĭng) n. 1. This has the overall effect of increasing the variety of phenotypes present in a population. It occurs during meiosis. Another word for crossing. 1 Oct. 2020. But what dignitary is this crossing from the other side to greet the governor? Fences have nothing to do with it. Crossing over is the exchange of chromosome segments between non-sister chromatids during the production of gametes.The effect is to assort (shuffle) the alleles on parental chromosomes, so that the gametes carry combinations of genes different from either parent. . She went up to Cornelius, crossing her arms on her heaving breast. Your crossing the Santee must depend upon your own discretion. Crossover definition, a bridge or other structure for crossing over a river, highway, etc. 3. Crossing over is a basic concept of genetics and cell biology, often called recombination.It occurs during meiosis.. 4. Join our early testers! Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group. No relief for him but crossing and uncrossing his legs from time to time. ... each being different from one another. See more. This is the main result of sexual reproduction compared to non-sexual modes of reproduction. Thanks for your vote! Because the frequency of crossing over between any two linked genes is proportional to the chromosomal distance between them, crossing over frequencies are used to construct genetic, or linkage, maps of genes on chromosomes. The act or action of crossing. The large-scale effect of crossing over is to spread variation through a population. We truly appreciate your support. When crossing over fences, carry water with you and tend the grass wherever you may be. Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes.It is one of the final phases of genetic recombination, which occurs in the pachytene stage of prophase I of meiosis during a process called synapsis.

We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate comment within your search results please use this form to let us know, and we'll take care of it shortly. The grass is greenest where it is watered. This has been the subject of much investigation and discussion.[3]. How to say crossing over in sign language? Synonyms.com. 2. a.

I forgot all my discomforts and the weariness of the twelve days' crossing. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate image within your search results please use this form to let us know, and we'll take care of it shortly. But the poor little sisters were trembling and crossing themselves all the time. This page was last changed on 29 August 2020, at 01:43. https://www.synonyms.com/synonym/crossing+over.

In prophase I, homologous chromosomes align lengthwise or pair with each other, and exchange of genetic material between the two chromosomes takes place, which is known as crossing over. F. A. Janssens was the first to suggest what chiasmata meant.[1][2].

Crossing over is a basic concept of genetics and cell biology, often called recombination. Absentee Ballot vs. Mail-In Ballot: Is There A Difference? Crossing over is the exchange of chromosome segments between non-sister chromatids during the production of gametes. Get instant synonyms for any word that hits you anywhere on the web! The main advantage to the parents is the greater variety in their offspring. Crossing over of genes is a big factor in the genetic diversity of living things. Web. "crossing over."

Thompdon J. N., 2013. Find all the synonyms and alternative words for crossing over at Synonyms.com, the largest free online thesaurus, antonyms, definitions and translations resource on the web. ♦ Crossing over is simply the exchange of genetic material between two homologous chromosomes to give rise to recombinant chromosomes.

Recombination and reproduction in, https://simple.wikipedia.org/w/index.php?title=Crossing_over&oldid=7086723, Creative Commons Attribution/Share-Alike License. Clearly the most dangerous impacts will be related to crossing over the tipping points. The grass is not, in fact, always greener on the other side of the fence. Crossing over to his desk with headlong strides, he sat down violently. Crossing over results in recombination of genes found on the same chromosome, called linked genes, that would otherwise always be transmitted together.