homologous chromosomes


homologous chromosomes
Chromosomes that are identical with respect to genetic loci, and that tend to pair or synapse during mitosis. The two chromosomes (maternal and paternal) of each of the pairs occurring in the nuclei of diploid cells are homologous.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • homologous chromosomes — homologous chromosomes, Biology. pairs of like chromosomes in a diploid organism, one derived from the egg and the other from the sperm, that pair during the early stage of meiosis, and are again separated into different germ cells …   Useful english dictionary

  • homologous chromosomes — homologous chromosomes. См. гомологичные хромосомы. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • homologous chromosomes — homologinės chromosomos statusas T sritis augalininkystė apibrėžtis Genetiškai tapačios skirtingos kilmės (tėvinė ir motininė) chromosomos, gautos apvaisinimo metu. atitikmenys: angl. homologous chromosomes rus. гомологичные хромосомы ryšiai:… …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • Homologous chromosomes — A pair of chromosomes containing the same gene sequences, each derived from one parent. * * * a matching pair of chromosomes, one from each parent, with the same gene loci in the same order …   Medical dictionary

  • homologous chromosomes — /həmɒləgəs ˈkroʊməsoʊmz/ (say huhmoluhguhs krohmuhsohmz) plural noun pairs of similar chromosomes, one of maternal, the other of paternal origin, which carry the Mendelian pairs of alleles or genes …   Australian English dictionary

  • 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

  • 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

  • Homologous — The relationship between two chromosomes that are paired and so are homologs of each other. * * * Corresponding or alike in certain critical attributes. 1. In biology or zoology, denoting organs or parts corresponding in evolutionary origin and… …   Medical dictionary

  • homologous — 1. General definition: from the same source, or having the same evolutionary function or structure. 2. Of chromosomes: identical with respect to gene content and linear ordering. Homologous chromosomes pair and recombine with one another at… …   Glossary of Biotechnology

  • homologous — /heuh mol euh geuhs, hoh /, adj. 1. having the same or a similar relation; corresponding, as in relative position or structure. 2. corresponding in structure and in origin, but not necessarily in function: The wing of a bird and the foreleg of a… …   Universalium


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