Genetic Analysis of Segregation Distortion of SSR Markers in F2 Population of Barley
Bibliographic record
Abstract
260 F2 individuals derived from the cross between a photoperiod-thermo-sensitive genic male sterile (PTGMS) barley line C54S and a barley elite cultivar 98-26 were used to construct a genetic linkage map. Fifty-one out of total 191 SSR markers were mapped on the 7 chromosomes covering 772.4 cM of barley genome, with the average intervals of 15.1 cM. Among the 65 polymorphic SSR locus, 22 locus (33.8%) showed genetic distortion (P<0.05), and all of them deviated toward female parent C54S. The highest distortion was observed on chromosome 4H. The two putative segregation distortion regions (SDRs) were detected on chromosome 5H and 6H, respectively. Some potential factors involved in the segregation distortion were discussed in this study.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".