Results 41 to 50 of about 6,538,014 (290)
Brazilian Archives of Biology and Technology, 2008 The Passifloraceae is represented by species of tropical and subtropical origin. The Passiflora is the richest genus with approximately 450 species, 200 of them being native to Brazil. Recent karyological studies have reported the basic chromosome number
Margarete Magalhães Souza +2 more
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Palynology and meiotic behavior of Genipa americana L., a species native to the Amazon
Bioscience Journal, 2023 Genipa americana L., commonly known as genipap, belongs to the Rubiaceae family. This study aimed to describe the pollen morphology of the species, evaluate its meiotic behavior and pollen viability, and provide information to help the maintenance and ...
Danieli Aline Cigolini Ruzza +7 more
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Plant Systematics and Evolution, 2014 Campuloclinium macrocephalum DC. is a perennial herb widely distributed in the New World and introduced in South Africa, where it is commonly called “pompom weed”.
G. E. Farco, M. Dematteis
semanticscholar +1 more source
Scientia Agricola, 2013 Triticale (X Triticosecale Wittmack) is a good cereal for production of flour and feed. A segregating population of triticale was developed from a male-sterile (MS) plant. To determine whether this new source of male sterility in triticale is appropriate
Divanilde Guerra +2 more
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Meiosis-specific loading of the centromere-specific histone CENH3 in Arabidopsis thaliana. [PDF]
PLoS Genetics, 2011 Centromere behavior is specialized in meiosis I, so that sister chromatids of homologous chromosomes are pulled toward the same side of the spindle (through kinetochore mono-orientation) and chromosome number is reduced.
Maruthachalam Ravi +6 more
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Plants, 2023 Sexual breeding at the tetraploid level is a promising strategy for rootstock breeding in citrus. Due to the interspecific origin of most of the conventional diploid citrus rootstocks that produced the tetraploid germplasm, the optimization of this ...
Lény Calvez +10 more
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PLoS Genetics, 2018 Sister kinetochores are connected to the same spindle pole during meiosis I and to opposite poles during meiosis II. The molecular mechanisms controlling the distinct behavior of sister kinetochores during the two meiotic divisions are poorly understood.
Soumya Chaurasia, C. Lehner
semanticscholar +1 more source
The Development and Meiotic Behavior of Asymmetrical Isochromosomes in Wheat [PDF]
Genetics, 1997 To determine which segments of a chromosome arm are responsible for the initiation of chiasmate pairing in meiosis, a series of novel isochromosomes was developed in hexaploid wheat (Triticum aestivum L.). These isochromosomes are deficient for different terminal segments in the two arms.
openaire +2 more sources
Frontiers in Conservation ScienceMeiotic stability is crucial for maintaining reproductive success and genetic diversity in plants, especially in montane regions like the Himalaya, where fluctuating environmental conditions can disrupt normal chromosome behavior.
Roof Ul Qadir +5 more
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A sex-ratio meiotic drive system in Drosophila simulans. II: an X-linked distorter. [PDF]
PLoS Biology, 2007 The evolution of heteromorphic sex chromosomes creates a genetic condition favoring the invasion of sex-ratio meiotic drive elements, resulting in the biased transmission of one sex chromosome over the other, in violation of Mendel's first law.
Yun Tao +5 more
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