B - chromosome evolution Juan
نویسندگان
چکیده
منابع مشابه
Karyotypic Study and Chromosome Evolution in Some Iranian Local Onion Populations
Abstract A karyotypic study was performed on 12 Iranian local onion (Allium cepa L.) populations. A number of mitotic cells at metaphase stage for each population were prepared. Chromosomes of suitable mitotic cells were counted and various parameters, including long arm (L), short arm (S), total length of chromosome (TL), relative length of chromosome (RL), arm ratio (AR), r-value, total chro...
متن کاملChromosome evolution in Cophomantini (Amphibia, Anura, Hylinae)
The hylid tribe Cophomantini is a diverse clade of Neotropical treefrogs composed of the genera Aplastodiscus, Boana, Bokermannohyla, Hyloscirtus, and Myersiohyla. The phylogenetic relationships of Cophomantini have been comprehensively reviewed in the literature, providing a suitable framework for the study of chromosome evolution. Employing different banding techniques, we studied the chromos...
متن کاملDiversity of chromosome numbers and meiotic studies in genus Anchusa (Boraginaceae) from Iran (10 Nov 2015)
The present study reports the chromosome number and meiotic behaviour of 14 populationsbelonging to four taxa of Anchusa subgenus Buglossum Gusul. from Iran. All populationsshowed the chromosome number 2n= 4x= 32. It is the first meiotic study for A. subg.Buglossum. We discuss some habit form and evolutionary aspect in the light of cytogeneticdata. The origin of polyploidy (auto-allopolyploidy)...
متن کاملMagnetic Properties of Cherts from the Basque-Cantabrian Basin and Surrounding Regions: Archeological Implications
1 Unidad de Zaragoza, Instituto Geológico y Minero de España, Zaragoza, Spain, 2 Paleomagnetic Laboratory CCiTUB-CSIC, Institute of Earth Sciences Jaume Almera, Barcelona, Spain, 3 Departamento de Química Analítica, Universidad del País Vasco, Bilbao, Spain, 4 Departamento de Estratigrafía y Paleontología, Universidad del País Vasco, UPV/EHU, Bilbao, Spain, 5 CENIEH-National Research Center on ...
متن کاملCHROMOSOME STUDIES OF IRANIAN MEMBERS OF TRIBE SOPHOREAE (FAMILY LEGUMINOSAE
The tribe Sophoreae sensu Polhill [9,10] is a large and diverse assemblage comprising the ancient and primitive ancestral stocks of Papilionoideae. The most frequent chromosome basic numbers in this tribe are x = 11 and x = 9 but chromosome numbers range from x = 8-14 are also known. In this study chromosome numbers and karyotype variation of Iranian members of tribe Sophoreae are reported. Ira...
متن کامل