Results 1 to 10 of about 367,851 (147)
Comparative analysis of chromosome numbers and sex chromosome systems in Paraneoptera (Insecta) [PDF]
Comparative Cytogenetics, 2021 This article is part (the 4th article) of the themed issue (a monograph) “Aberrant cytogenetic and reproductive patterns in the evolution of Paraneoptera”.
Valentina G. Kuznetsova +3 more
doaj +4 more sources
The evolution of haploid chromosome numbers in Meliponini. [PDF]
PLoS ONE, 2019 It is thought that two evolutionary mechanisms gave rise to chromosomal variation in bees: the first one points to polyploidy as the main cause of chromosomal evolution, while the second, Minimum Interaction Theory (MIT), is more frequently used to ...
Natália Martins Travenzoli +5 more
doaj +2 more sources
Chromosome numbers for the Italian flora: 13 [PDF]
Italian Botanist, 2023 In this contribution, new chromosome data obtained on material collected in Italy are presented. It includes the first count for Dianthus carthusianorum subsp. tenorei, Helosciadium nodiflorum, Hieracium hypochoeroides subsp. cilentanum, H. lesimanum, H.
Giovanni Astuti +14 more
doaj +3 more sources
Chromosome numbers for the Italian flora: 11 [PDF]
Italian Botanist, 2021 In this contribution, new chromosome data obtained on material collected in Italy are presented. It includes counts for Centaurea aegusae, Hieracium racemosum subsp. lucanum, H. australe subsp. australe, Lysimachia arvensis subsp.
Giovanni Astuti +6 more
doaj +3 more sources
Taxonomy, 2022 Chromosome numbers are reported for 67 individuals of 13 species of Solidago sect. Erectae, S. sect. Squarrosae, and S. sect. Villosicarpae from 65 locations in eastern Canada and the eastern United States: S. bicolor, S. erecta, S.
John C. Semple, Rachel E. Cook
doaj +1 more source
Anais da Academia Brasileira de Ciências, 2021 Studies concerning the cytogenetics of Gleicheniaceae have been scarce, especially those employing evolutionary approaches. Two chromosome number evolutionary models have been hypothesized for Gleicheniaceae.
LUCAS VIEIRA LIMA +3 more
doaj +1 more source
Chromosome numbers for the Italian flora: 10 [PDF]
Italian Botanist, 2020 In this contribution, new chromosome data regarding two taxonomically critical genera of the Italian flora, namely Plantago and Sesleria, are presented.
Romeo Di Pietro +4 more
doaj +3 more sources
Chromosome numbers for the Italian flora: 12 [PDF]
Italian Botanist, 2021 In this contribution, new chromosome data obtained on material collected in Italy are presented. It includes the first counts for Hieracium glanduliferum s.str. and H.
Giovanni Astuti +7 more
doaj +3 more sources
Optimization of chromosome preparation and chromosome number and ploidy in Hemiboea
Guangxi Zhiwu, 2023 Chromosome number and genome ploidy are crucial basic information for systematic evolutionary biology and genetics. Hemiboea, a genus of Gesneriaceae, with about 44 species, is mainly distributed in southern China, which have important medicinal and ...
Dan GAO +4 more
doaj +1 more source
Chromosome numbers for the Italian flora: 9 [PDF]
Italian Botanist, 2020 In this contribution, new chromosome data obtained on material collected in Italy are presented. It includes counts from six populations of three taxa within the genus Pulmonaria, two of which are endemic to Italy (P. vallarsae subsp.
Giovanni Astuti +5 more
doaj +3 more sources