Results 41 to 50 of about 162,657 (334)

Chromosomes of the experimental hybrid of Crussostrea virginica Gmelin 1791 and Crussostreu rhizophorue Guilding 1828 (Pseudolamellibranchiata: Ostreidae)

open access: yesCiencias Marinas, 1998
The cytogenetic study of the interspecific larval hybrid of Crassostrau virginica and Crassostrea rhizophorae has been conducted. The chromosome complements in all the types of hybrids assayed were integrated in a normal way to form the zygote and the ...
F Rodríguez-Romero   +2 more
doaj   +1 more source

Characterization of the Arachis (Leguminosae) D genome using fluorescence in situ hybridization (FISH) chromosome markers and total genome DNA hybridization [PDF]

open access: yes, 2008
Chromosome markers were developed for Arachis glandulifera using fluorescence in situ hybridization (FISH) of the 5S and 45S rRNA genes and heterochromatic 4'-6-diamidino-2-phenylindole (DAPI) positive bands.
Robledo Dobladez, Germán Ariel   +1 more
core   +1 more source

Molecular cytogenetic differentiation of paralogs of Hox paralogs in duplicated and re-diploidized genome of the North American paddlefish (Polyodon spathula). [PDF]

open access: yes, 2017
BackgroundAcipenseriformes is a basal lineage of ray-finned fishes and comprise 27 extant species of sturgeons and paddlefishes. They are characterized by several specific genomic features as broad ploidy variation, high chromosome numbers, presence of ...
Amemiya, Chris T   +7 more
core   +4 more sources

A rare presentation of the Klinefelter's syndrome [PDF]

open access: yes, 2003
A 16 years old boy with Chronic Renal Failure (CRF) was not suspected of having Klinefelter's syndrome until he complained of painful gynecomastia. He was under haemodialysis for 2 years. At first, he was in an approximately full pubertal development (P5,
A. Frank   +23 more
core   +2 more sources

FISH-aimed karyotype analysis in Aconitum subgen : aconitum reveals excessive rDNA sites in tetraploid taxa [PDF]

open access: yes, 2018
The location of 5S and 35S rDNA sequences in chromosomes of four Aconitum subsp. Aconitum species was analyzed after fluorescence in situ hybridization (FISH). Both in diploids (2n = 2x = 16; Aconitum variegatum, A. degenii) and tetraploids (2n = 4× = 32;
Grabowska-Joachimiak, Aleksandra   +4 more
core   +2 more sources

THE PECULIARITIES OF CARIOTYPIC EVOLUTION OF MAMMALIS IN THE CAUCASUS MOUNTAINS

open access: yesЮг России: экология, развитие, 2014
. In the present work chromosomal polymorphism is studied on the basis or cariotypes analisis of more than 100 species and intraspecific forms of Mammalia of the Caucasus. Divergence of branches on the phylogenetic trees received on different chromosomal
R. I. Dzuev, A. R. Dzuev
doaj   +1 more source

Investigation of marmoset hybrids (Cebuella pygmaea x Callithrix jacchus) and related Callitrichinae (Platyrrhini) by cross-species chromosome painting and comparative genomic hybridization [PDF]

open access: yes, 2005
We report on the cytogenetics of twin offspring from an interspecies cross in marmosets (Callitrichinae, Platyrrhini), resulting from a pairing between a female Common marmoset (Callithrix jacchus, 2n = 46) and a male Pygmy marmoset (Cebuella pygmaea, 2n
Canavez FC   +15 more
core   +1 more source

Cytological features of penaut genome [PDF]

open access: yes, 2017
The genus Arachis is composed of 82 species (Krapovickas and Gregory 1994; Valls and Simpson 2005; Valls et al 2013; Santana and Valls 2015) mainly distributed within a large region of South America, which extends from the eastern foothills of the Andes ...
Chalup, Laura María Isabel   +6 more
core   +1 more source

Karyomorphology of two subspecies of Anthemis maritima (Asteraceae) from Algeria

open access: yesCaryologia, 2023
The chromosome number and karyomorphology of two subspecies of the Anthemis maritima complex collected from two different coastal localities in the Skikda region (northeastern Algeria) are reported in this study: Anthemis maritima subsp.
Meryem Nassar   +2 more
doaj   +1 more source

Induction of chromosome damage by ultraviolet light and caffeine: Correlation of cytogenetic evaluation and flow karyotype [PDF]

open access: yes, 1982
Asynchrononously growing cells of a M3-1 Chinese hamster line were ultraviolet (UV) irradiated ( = 254 nm) with UV fluences up to 7.5 J/m2. After irradiation, cells were incubated with or without 2 mM caffeine for 20 hr, then mitotic cells were selected ...
Carrano   +20 more
core   +1 more source

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