Results 31 to 40 of about 1,661 (164)

Efficient Methods for Evaluation on Ploidy Level of Cucurbita pepo L. Regenerant Plants Obtained in Unpollinated Ovule Culture In Vitro

open access: yesHorticulturae, 2022
An important stage in doubled haploid (DH) production is to evaluate and to differentiate the ploidy level of regenerant plants at least two–three times during the technology.
Elena Domblides   +5 more
doaj   +1 more source

PERENCANAAN DAN PEMBUATAN OTOMATISASI PROSES GYNOGENESIS PADA PEMBIBITAN IKAN MAS (Cyprinus Carpio) BERBASIS ATMEGA8535 [PDF]

open access: yes, 2007
Gynogenesis adalah proses produksi embrio dari telur-telur yang dibuahi olch sperma tanpa sumbangan bahan genetik jantan. Dengan menggunakan metode gynogenesis bibit unggul dapat diperoleh dalam dua generasi. Sedangkan kalau dikombinasikan dengan program
Kochim, Hadiansyah Noor
core   +1 more source

Gene Expression and Antioxidant Characteristics of Rainbow Trout (Oncorhynchus mykiss) Eggs Used for Meiotic Gynogenesis

open access: yesFishes
Gynogenesis is a reproductive mode where offspring inherit exclusively maternal chromosomes. Gynogenetic development in fish may be induced intentionally by activating eggs with the UV-irradiated, inactive spermatozoa.
Konrad Ocalewicz   +6 more
doaj   +1 more source

In vitro gynogenesis in red beet (Beta vulgaris L.): effects of ovule culture conditions

open access: yesActa Societatis Botanicorum Poloniae, 2014
In this paper the influence of factors affecting gynogenic response of red beet ovules is discussed. The ovule response frequencies were the highest in the following conditions: N6 (Chu 1975) mineral salts, 0.5 mg/l IAA, 0.2 mg/l BA, 27 or 32oC.
Rafał Barański
doaj   +1 more source

Evaluation of Growth and Immunological Indices of Allfemale Caspian salmon Salmo trutta caspius Induced by Gamma Irradiation

open access: yesBrazilian Archives of Biology and Technology, 2022
20 pieces of all-female (produces by using Gynogenesis process via gamma irradiation) Caspian salmon (Salmo trutta caspius) with dosage of 450, 600, 750, 900 and 1050 Gy by gamma irradiation (Co60) with average weight of 2.31 ± 0.22 in a randomized ...
Gholamreza Shahhosseini
doaj   +1 more source

Epigenetic barriers to human gynogenesis [PDF]

open access: yes, 2019
There have been leaps in both fields of epigenetics and reproductive technology. This has culminated in the production of bi-maternal mouse offspring through a few studies utilizing direct gene mutations as functional-imprints.
Nguyen, Olivia D.
core   +1 more source

Transcriptomic Analysis Reveals Functional Interaction of mRNA–lncRNA–miRNA in Steroidogenesis and Spermatogenesis of Gynogenetic Japanese Flounder (Paralichthys olivaceus)

open access: yesBiology, 2022
Teleost fishes exhibit extraordinary diversity, plasticity and adaptability with their sex determination and sexual development, and there is growing evidence that non-coding RNAs (ncRNAs) are emerging as critical regulators of reproduction.
Jie Cheng   +5 more
doaj   +1 more source

Preliminary study documents variable accuracy and inclusion among biology instructor gender/sex definitions

open access: yesNatural Sciences Education, Volume 55, Issue 2, December 2026.
Abstract Society generally presents sex inaccurately as a binary variable based on one or few trait(s), causing myriad issues, including the pursuit of reductionist biology experiments, the creation of laws that limit the rights of women, people with queer genders, and intersex folks, and greater student endorsement of gender stereotypes in ...
Emily P. Driessen   +4 more
wiley   +1 more source

Studies on Gynogenesis Induction in Cassava (Manihot esculenta Crantz) Unpollinated Ovule Culture

open access: yesFrontiers in Plant Science, 2020
Cassava (Manihot esculenta Crantz) is an important crop for subsistence farming in tropical and subtropical regions. There is a need to increase the rate of genetic gain to develop varieties adapted to new environmental conditions affected by climate ...
Zaida Lentini   +4 more
doaj   +1 more source

Born This Way: Individuality Is Seeded Before Birth and Robust to Ecological Stress

open access: yesEcology Letters, Volume 29, Issue 9, September 2026.
We reared and recorded behaviours of clonal Amazon mollies in standardized environments, with and without predation stress, from birth through week four of life, to understand how the developmental environment influences the emergence of behavioural individuality.
James H. Gallagher   +5 more
wiley   +1 more source

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