Results 21 to 30 of about 12,452,954 (349)
Chromosome number is key to longevity of polyploid lineages.
Polyploidy is ubiquitous and often recursive in plant lineages, most frequently resulting in extinction but occasionally associated with great evolutionary success.
J. Bowers, A. Paterson
semanticscholar +1 more source
Karyotypes and chromosome data have been widely used in many subfields of biology over the last century. Unfortunately, this data is largely scattered among hundreds of articles, books, and theses, many of which are only available behind paywalls.
Magnolia W. Morelli +2 more
doaj +1 more source
Changes in holocentric chromosome number due to fission and fusion have direct and immediate effects on genome structure and recombination rates. These, in turn, may influence ecology and evolutionary trajectories profoundly.
J. I. Márquez‐Corro +8 more
semanticscholar +1 more source
Optimization of chromosome preparation and chromosome number and ploidy in Hemiboea
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
Karyotype analysis of some Onobrychis (sainfoin) species in Turkey [PDF]
In this study, karyotype analysis of the species of Onobrychis sp. was undertaken using the squash method. The results showed that the chromosome number of Onobrychis tournefortii (Willd.) Desv., O. gracilis Besser, O. hypargyrea Boiss. is 2n = 14 and
Akçelik Somay Esra +3 more
doaj +1 more source
A surge of late-occurring meiotic double-strand breaks rescues synapsis abnormalities in spermatocytes of mice with hypomorphic expression of SPO11 [PDF]
Meiosis is the biological process that, after a cycle of DNA replication, halves the cellular chromosome complement, leading to the formation of haploid gametes.
Barchi, Marco +9 more
core +6 more sources
Genome Size and Karyotype Studies in Five Species of Lantana (Verbenaceae)
Lantana species are an important component of the U.S. environmental horticulture industry. The most commonly produced and used species are L. camara and, on a smaller scale, L. montevidensis. Both were introduced to the United States from Central and/or
S. Brooks Parrish +2 more
doaj +1 more source
Mechanisms of chromosome number evolution in yeast. [PDF]
The whole-genome duplication (WGD) that occurred during yeast evolution changed the basal number of chromosomes from 8 to 16. However, the number of chromosomes in post-WGD species now ranges between 10 and 16, and the number in non-WGD species ...
Jonathan L Gordon +2 more
doaj +1 more source
The Chromosome counts of some species of wetland plants from Northwest Iran
Wetlands scatter as microclimates in mountain areas of Iran. In this investigation, the chromosome number of species and populations from Azerbaijan provinces were studied.
Saeedeh Sadat Mirzadeh Vaghefi +1 more
doaj +1 more source

