The phrase "about five markers" is correct and usable in written English.
It can be used when estimating a quantity of markers, indicating that the number is not exact but close to five.
Example: "I need about five markers for the presentation, but I can manage with a few more if necessary."
Alternatives: "approximately five markers" or "roughly five markers".
The first several diploid rose genetic maps utilized morphological markers as well as molecular markers and had from less than a hundred to about three hundred markers covering about 300 500 cM for each parental map11,17,18,19.
The average genetic marker density was about seven markers per cM, i.e. about 700 kb in physical distance between each marker on average.
A set of five markers, each about 7 inches by about 3 inches, is $20 at gooderdle.com.com
The billboards for water parks at the Wisconsin Dells begin at a radial distance of about two hundred miles, markers of the edge of an irresistible vortex into which most Midwestern parents will eventually find themselves drawn some blistering summer weekend.
About five hundred microsatellite markers of the grapevine genome are now available and widely as well as very efficiently used for identification of cultivars [ 6- 8].
Second, the embryonic lethality line brings about two fluorescent markers (DsRed and EGFP), which are not only helpful during quality control but could also help in monitoring processes.
Genotypes were determined for a total of 336 chromosomes transmitted through females having both a fused and an unfused Chromosome 4. Ten markers representing about 75% of the euchromatic arm of Chromosome 4 were found to encompass a total map distance of 104.6 cM.
There were about two dozen people hanging signs off the side of the overpass with the names of their destinations written as boldly as they had been able to manage with crayons or dry markers.
Since the distance between these two markers is large (about 5 Mb), it is possible that these two markers are capturing different signals (see below).
Patient selection was based on availability of FFPE tissues, available data for all three markers, and information about the listed covariables.
