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Homologous chromosome pairing.
Philosophical Transactions of the Royal Society of London. B, Biological Sciences, 1977Commonly accepted precepts are challenged: (1) that homologous chromosome pairing is normally mediated by nuclear envelope attachment sites; (2) that crossover site establishment awaits synaptic completion; and (3) that it is the function of the ...
Marjorie P. Maguire
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Mitotic Antipairing of Homologous Chromosomes
2022Chromosome organization is highly dynamic and plays an essential role during cell function. It was recently found that pairs of the homologous chromosomes are continuously separated at mitosis and display a haploid (1n) chromosome set, or "antipairing," organization in human cells. Here, we provide an introduction to the current knowledge of homologous
Lisa L, Hua +2 more
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Homologous chromosome pairing in wheat
Journal of Cell Science, 1999ABSTRACT Bread wheat is a hexaploid (AABBDD, 2n=6x=42) containing three related ancestral genomes, each having 7 chromosomes, giving 42 chromosomes in diploid cells. During meiosis true homologues are correctly associated in wild-type wheat, but a degree of association of related chromosomes (homoeologues) occurs in a mutant (ph1b).
Luis Aragón-Alcaide +5 more
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The colocalization transition of homologous chromosomes at meiosis
Physical Review E, 2008Meiosis is the specialized cell division required in sexual reproduction. During its early stages, in the mother cell nucleus, homologous chromosomes recognize each other and colocalize in a crucial step that remains one of the most mysterious of meiosis. Starting from recent discoveries on the system molecular components and interactions, we discuss a
NICODEMI, MARIO, B. Panning, A. Prisco
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Chromosomal Homology and Evolution of Phyllostomatoid Bats [PDF]
Systematic Biology, 1978 Patton, 1. C., and R. 1. Baker (Department of Biological Sciences and The Museum, Texas Tech University, Lubbock, Texas 79409) 1978. Chromosomal homology and evolution of phyllostomatoid bats. Syst. Zool. 27:449-462.-Gand C-banding analyses were used to determine chromosome homology from representatives of bat families Mormoopidae, Noctilionidae and ...
John C. Patton, Robert J. Baker
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Do homologous chromosomes differ?
Cytogenetic and Genome Research, 1979This paper is concerned with the problem of deciding whether measurements from homologous chromosomes differ. First, a general mathematical model is proposed for studying the distribution of chromosome measurements. Next, log-likelihood ratios are used to test for correlation between homolog pairs and for differences between homolog means and variances.
D. H. Moore +2 more
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Chromosomal homology in southern Akodon
Experientia, 1982Differential staining (G and C) of southern South American Akodon are presented. A. olivaceus, A. longipilis and A. sanborni all have the same karyotype (2n = 52, NF = 58). A virtually identical band sequence is observed. This situation is interpreted using the canalization model of chromosomal evolution which stresses an optimum karyotype for each ...
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Chromosome homology and evolution of emydid turtles
Chromosoma, 1976G-, C-, Q-banding and standard karyotypic analyses were used to study the chromosomal relationships of emydid turtles. Ten species of emydids were used (5 batagurines and 5 emydines) which samples all of the karyotypic variation known for the Emydidae. Data from a testudinid and a chelydrid are compared to the emydids.
John W. Bickham, Robert J. Baker
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