Zobrazeno 1 - 10
of 212
pro vyhledávání: '"mixoploidy"'
Autor:
David V Ho, Duncan Tormey, Aaron Odell, Aracely A Newton, Robert R Schnittker, Diana P Baumann, William B Neaves, Morgan R Schroeder, Rutendo F Sigauke, Anthony J Barley, Peter Baumann
Publikováno v:
eLife, Vol 13 (2024)
Facultative parthenogenesis (FP) has historically been regarded as rare in vertebrates, but in recent years incidences have been reported in a growing list of fish, reptile, and bird species. Despite the increasing interest in the phenomenon, the und
Externí odkaz:
https://doaj.org/article/7edbd2f11d01455196310a6666645c25
Publikováno v:
Сибирский лесной журнал, Vol 10, Iss 5, Pp 32-42 (2023)
The information obtained by the authors during the karyological study on conifers growing in arboretums, parks, and botanical gardens from different countries is summarized. Representatives of two genera, pine (Pinus L.) and spruce (Picea A. Dietr.),
Externí odkaz:
https://doaj.org/article/60a4bc8443f34ad89333e0d344aa72a4
Autor:
Parhomenko, Alena Sergeevna, Kuzmina, Ulyana Sh., Musin, Khalit G., Efimenko, Savelii F., Epifanov, Vladimir S., Kashin, Alexandr Stepanovich
Publikováno v:
Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология, Vol 23, Iss 2, Pp 197-208 (2023)
Preliminary data on the genome size of representatives of the genus Chondrilla (Asteraceae) of European Russia and Western Kazakhstan were obtained using fl ow cytometry. Among all studied specimens of the genus, for specimens of C. ambigua and C. pa
Externí odkaz:
https://doaj.org/article/b69480e4bdb7400dbc50fa13f49e5abe
Publikováno v:
Folia Oecologica, Vol 49, Iss 1, Pp 61-69 (2022)
The cytogenetic analysis of the Pinus sylvestris L. seed progeny in the forests of the northern taiga in the Far North of Russia conditions was carried out. Two Pinus sylvestris populations growing in Ambarnskoy and Pyaozerskoy forest divisions of Lo
Externí odkaz:
https://doaj.org/article/8f19a6aaf1594dc883cacd634de94f75
Akademický článek
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Autor:
John D West, Clare A Everett
Publikováno v:
Reproduction and Fertility, Vol 3, Iss 2, Pp R66-R90 (2022)
Some human preimplantation embryos are chromosomally mosaic. For technical reasons, estimates of the overall frequency vary widely from 90% and the true frequency remains unknown. Aneuploid/diploid and aneuploid/ aneuploid mosaics typically arise dur
Externí odkaz:
https://doaj.org/article/1fcb0f16263e4299a007eda48c3f9a54
Autor:
D. O Navrotska, M. O. Twardovska, I. O. Andreev, I. Yu. Parnikoza, A. A. Betekhtin, O. M. Zahrychuk, N. M. Drobyk, R. Hasterok, V. A. Kunakh
Publikováno v:
Український антарктичний журнал, Iss 13, Pp 185-191 (2020)
Cytogenetic analysis of D. antarctica plants from the Argentine Islands of the Maritime Antarctic region was performed. Chromosome number 2n = 26 was determined for most of the samples. New forms of chromosome polymorphism for the species were demons
Externí odkaz:
https://doaj.org/article/7da77419a606448da256f90f3e5be672
Akademický článek
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Autor:
CLARA VIVIANA FRANCO FLOREZ, SARA ALEJANDRA LIBERATO GUIO, ERIKA PATRICIA SANCHEZ BETANCOURT, FRANCY LILIANA GARCÍA ARIAS, VÍCTOR MANUEL NUÑEZ ZARANTES
Publikováno v:
Caryologia (2021)
The cape gooseberry, Physalis peruviana L., is a crop that is transitioning from a semi-wild rural food source to becoming an international export commodity fruit deserving of greater attention from the scientific community, producers, policy makers
Externí odkaz:
https://doaj.org/article/13f01b5ff9ce44f6b4f2eb8e3886b0fe
Publikováno v:
Plants, Vol 11, Iss 22, p 3068 (2022)
Karyomorphology and genome size of 15 St John’s wort (Hypericum perforatum L.) populations are reported for the first time. Root tips and fresh young leaves were used for karyological studies and flow cytometric (FCM) measurements, respectively. Th
Externí odkaz:
https://doaj.org/article/27f9374c45d644828fa3856f534784b5