Cross sectional genotyping, 6,400 samples, five regional cohorts
Genetics research poster example
A genetics poster that reports one variant has to answer two questions before anything else: how many samples, and from where. This board puts both in the title band, then gives the whole width to a hero figure showing the variant frequency rising from 0.08 to 0.21 across five regional cohorts of 1,280 samples each.
The whole board
The poster at full size, exactly as it prints. Every number, citation and caption on it was written for this example, so the layout is being judged on real content.
Block by block
What each block on the board is for, in the order a reader walks it.
- Title band and four authors
- The title names the variant, the sample count and the design in one line. Four authors sit over two affiliations with the presenting author marked, and the markers are generated from the affiliation list rather than typed.
- Abstract
- Four sentences: why published frequencies disagree, what was genotyped, the 0.08 to 0.21 gradient, and the pooled 0.14 that no clinic in the region should use as a local estimate.
- Methods as a labelled protocol
- Five labelled entries covering the 6,400 archived samples, the five collection centres running south to north, the single assay and instrument, the 99.4% call rate with 64 of 64 duplicate concordance, and the analysis.
- Figure 1, frequency by cohort
- The hero block plots variant frequency against cohort with 1,280 samples behind each point. Five short cohort labels and one short series name keep the tick row clear of the series legend that sits under the axis.
- Headline number
- A stat block carrying 2.6 times, with the two frequencies it comes from underneath, the sample size in each cohort and the interval on the ratio. The number repeats a value from the figure rather than introducing a new one.
- Results, with the genotype counts
- The counts behind every frequency, the exact test result per cohort, the carrier totals of 196, 266, 333, 398 and 481, and the two limits that matter: ancestry was not measured and each cohort reflects its centre catchment.
- Four checked findings
- A four item list restating the gradient, the ratio with its interval, the carrier total of 1,674 of 6,400, and the fact that the pooled estimate fits only the middle cohort.
- References inside the results block
- This design carries no reference block, so six numbered citations sit at the foot of the results text. Any layout missing a block moves that content into a section rather than dropping it.
What makes this board work
The hero figure carries the whole argument
This layout gives one figure a 1,452 pixel block across the top right, and the board spends it on the single chart that answers the question: frequency against cohort, south to north. A reader who looks at nothing else leaves with the gradient, which is the finding.
Genotype counts are printed, not just the frequencies
The results block lists reference homozygotes, heterozygotes and variant homozygotes for all five cohorts, every row summing to 1,280. That is what lets a reader check the Hardy Weinberg claim rather than take it, and it is the detail a genetics reviewer asks for first.
The pooled number is shown to be useless
Pooling the five cohorts gives 0.14, which is exactly the middle cohort and a poor description of either end. Saying so on the board, next to a carrier rate that runs from 15.3% to 37.6%, is more useful than quoting one number for the region.
Questions people ask
What goes on a genetics research poster?
The variant or region studied, the assay and the instrument, the sample count broken down by cohort, genotype counts rather than frequencies alone, a test against Hardy Weinberg expectation, and the interval around every estimate. Ancestry measurement, or its absence, belongs on the board because it changes how a frequency gradient can be read.
Should I show frequencies or genotype counts?
Both. A frequency is what the reader remembers and a count is what they can check. This board plots the five frequencies in the figure and prints all fifteen genotype counts in the results text, with every row summing to the 1,280 samples in that cohort, so the Hardy Weinberg claim is verifiable on the poster itself.
How many authors fit in the title band?
Four sit comfortably here over two affiliations. The author block generates the superscript markers from the affiliation list, so moving an author does not leave a stale number behind. Longer author lists shrink to fit rather than wrap, which is the point at which most posters start losing readability.
Which poster layouts have a references block?
Not all of them. The forty poster designs differ in which blocks they carry, and this one has no reference block, so the six citations were written into the foot of the results section instead. Open the design before planning content and move anything it lacks into a section that it does have.
Can I put a photograph in the figure frame?
Not in this one. The figure block here is a chart block, and across the forty poster designs there are seven image figures that have no upload control and are skipped by image generation, so they cannot be filled at all. Plan the figure as chart data and pick a design whose figure is a chart.
What does an A0 landscape poster export at?
The working canvas is 2,340 by 1,656 pixels and the export captures it at twice that, so 4,680 by 3,312 pixels, which is roughly 100 dots per inch at full A0 size. It is RGB, with no bleed setting, no crop marks and no CMYK conversion, so a print shop that needs those will prepare them.
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