نتایج جستجو برای: reciprocal crossing

تعداد نتایج: 52104  

Journal: :Physical review 2022

Non-Abelian states of matter, in which the final state depends on order interchanges two quasiparticles, can encode information immune from environmental noise with potential to provide a robust platform for topological quantum computation. We demonstrate that phonons carry non-Abelian frame charges at band-crossing points their frequency spectrum, and external stimuli drive braiding. present g...

Extended Abstract Introduction and Objective: Wheat is one of the most important crops in the world that plays a key role in ensuring food security. In wheat breeding programs, selection of genotypes with desirable agronomic traits and high yield potential have always been the goal of plant breeders. Increasing the selection efficiency for grain yield depends on genetic knowledge from morpholo...

2011
Xiao-ming Zhao Guo-qing Wei Chao-liang Liu Chang-rui Zou

In the silkworm, Bombyx mori, no glue egg is mainly controlled by Ng (No glue) gene, which is located on the 12th chromosome. Owning to a lack of crossing over in females, reciprocal backcrossed F1 (BC1) progenies were used for linkage analysis and mapping of the Ng gene based on the simple sequence repeats (SSR) linkage map using silkworm strains H9 and P50, which are Ng mutant and normal to e...

Journal: :Gait & posture 2012
Anne-Hélène Olivier Antoine Marin Armel Crétual Julien Pettré

This study investigated collision avoidance between two walkers by focusing on the conditions that lead to avoidance manoeuvres in locomotor trajectories. Following the hypothesis of a reciprocal interaction, we suggested a mutual variable as a continuous function of the two walkers' states, denoted minimum predicted distance (MPD). This function predicts the risk of collision, and its evolutio...

Atefeh Jafari Bahador Sadeghi

The purpose of this study was to investigate how reciprocal teaching and self-regulation affected reading comprehension of EFL learners at the high school level. 60 participants were selected and randomly assigned into two groups: an experimental group and a control group. The experimental group was taught through reciprocal teaching while the control group was taught through skill-based teachi...

Journal: :Molecular biology and evolution 1997
H Ellegren S Moore N Robinson K Byrne W Ward B C Sheldon

The application of microsatellites in evolutionary studies requires an understanding of the patterns governing their evolution in different species. The finding that homologous microsatellite loci are longer, i.e., containing more repeat units, in human and in other primates has been taken as evidence for directional microsatellite evolution and for a difference in the rate of evolution between...

Journal: :Genetics 1980
M J Simmons N A Johnson T M Fahey S M Nellett J D Raymond

The frequencies of sex-linked lethal mutations arising in hybrid male offspring from crosses and in nonhybrid controls were determined. The hybrids were produced by crossing representative strains of the P-M system of hybrid dysgenesis in all possible combinations. Males from the cross of P males x M females had a mutation rate about 15 times higher than that of nonhybrid males from the P strai...

Journal: :The Southeast Asian journal of tropical medicine and public health 2005
P C Fan L H Lin

Crossing experiments in mice with two human species of Schistosoma japonicum (Taiwan strain) and Schistosoma mansoni (Puerto Rican strain) were performed. The hybrid miracidia from the cross between female S. japonicum and male S. mansoni infected both Biophalaria glabrata and Oncomalania h. chiui. However, those from the reciprocal crossing could infect only B. glabrata. B. glabrata infected w...

Journal: :Genetics 1988
K Yamamoto N Takahashi H Yoshikura I Kobayashi

Recombination between two different deletion alleles of a gene (neo) for neomycin and kanamycin resistance was studied in an Escherichia coli sbcA- recB-C- strain. The two homologous regions were in an inverted orientation on the same plasmid molecule. Kanamycin-resistant plasmids were selected and analyzed. The rate of recombination to form kanamycin-resistant plasmids was decreased by mutatio...

2004
ANTOON VANDENBERGHE PHILIPPE LATOUR

The most frequent form of Charcot-Marie-Tooth disease (CMT1A; OMIM118.220) is the result of a duplication on chromosome 17 in p1 l.2-pl2. This region contains PMP22, a gene expressed in peripheral myein. The mutation results from an unequal crossing-over involving repeated sequences, CMT1A-REP, located on both sides of the duplicated region. The reciprocal product of this recombmation is a dele...

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