two chromosomes, one of paternal origin, the other of maternal origin, that are identical in appearance and pair during meiosis
Examples of 'homologous chromosomes' in a sentence
homologous chromosomes
This includes the pairing, synapsis and recombination of homologous chromosomes.
Hiroki eKurahashi, Hiroshi eKogo, Makiko eTsutsumi, Hidehito eInagaki, Tamae eOhye 2012, 'Failure of homologous synapsis and sex-specific reproduction problems', Frontiers in Geneticshttp://journal.frontiersin.org/Journal/10.3389/fgene.2012.00112/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The transient diploid phase allows for recombination among homologous chromosomes.
Alexander H J Wittenberg, Theo A J van der Lee, Sarrah Ben M'barek, Sarah B Ware,Stephen B Goodwin, Andrzej Kilian, Richard G F Visser, Gert H J Kema, Henk J Schouten 2009, 'Meiosis drives extraordinary genome plasticity in the haploid fungal plant pathogenMycosphaerella graminicola.', PLoS ONEhttp://europepmc.org/articles/PMC2689623?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The majority of genes on homologous chromosomes replicate synchronously.
Nathan Donley, Eric P Stoffregen, Leslie Smith, Christina Montagna, Mathew J Thayer 2013, 'Asynchronous replication, mono-allelic expression, and long range Cis-effects of ASAR6.',PLoS Geneticshttp://europepmc.org/articles/PMC3617217?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Crossovers mediate the accurate segregation of homologous chromosomes during meiosis.
Eric F Joyce, Kim S McKim 2010, 'Chromosome axis defects induce a checkpoint-mediated delay and interchromosomal effecton crossing over during Drosophila meiosis.', PLoS Geneticshttp://europepmc.org/articles/PMC2920846?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Meiotic recombination permits exchange of genetic material between homologous chromosomes.
Baolu Shi, Jiangyang Xue, Hao Yin, Rui Guo, Mengcheng Luo, Lan Ye, Qinghua Shi, XiaoyanHuang, Mingxi Liu, Jiahao Sha, P Jeremy Wang 2019, 'Dual functions for the ssDNA-binding protein RPA in meiotic recombination.', PLoS Geneticshttp://europepmc.org/articles/PMC6375638?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Instead, an alternative homolog conjunction system keeps homologous chromosomes in pairs.
Ariane C Blattner, Soumya Chaurasia, Bruce D McKee, Christian F Lehner 2016, 'Separase Is Required for Homolog and Sister Disjunction during Drosophila melanogasterMale Meiosis, but Not for Biorientation of Sister Centromeres.', PLoS Geneticshttp://europepmc.org/articles/PMC4847790?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Faithful chromosome segregation during meiosis requires that homologous chromosomes associate and recombine.
Michel F Guiraldelli, Craig Eyster, Joseph L Wilkerson, Michael E Dresser, RobertoJ Pezza 2013, 'Mouse HFM1/Mer3 is required for crossover formation and complete synapsis of homologouschromosomes during meiosis.', PLoS Geneticshttp://europepmc.org/articles/PMC3605105?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Proper chromosome segregation requires pairwise associations of maternal and paternal homologous chromosomes.
Michel F Guiraldelli, Anna Felberg, Luciana P Almeida, Aniruddha Parikh, Rodrigo Ode Castro, Roberto J Pezza 2018, 'SHOC1 is a ERCC4-(HhH)2-like protein, integral to the formation of crossover recombinationintermediates during mammalian meiosis.', PLoS Geneticshttp://europepmc.org/articles/PMC5962103?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The homologous chromosomes were arranged in pairs in their descending order and size.
S. AHMAD AND M. S. KHAN 2007, 'KARYOLOGY OF KARI SHEEP', Pakistan Veterinary Journalhttp://pvj.com.pk/pdf-files/27_3/page%20118-120.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)