For these organisms it would be necessary to use alternative (non-F2) population structures such as RILs that enable replicate homozygous recombinant genotypes and therefore allow both destructive sampling to obtain DNA and simultaneous phenotype analysis within each line.
The preferred mapping populations were recombinant inbred lines (RILs) or doubled haploid populations because the fixed nature of these lines enabled replicate measurements.
Genome-wide scans with an Affymetrix high-density single-nucleotide polymorphism (SNP) microarray enabled replicate comparisons of pools of different molecular forms, in three separate populations.
RILs possess several advantages over F2 or BC1 populations for mapping genes and quantitative trait loci (QTL), and high levels of homozygosity and recombination in the RILs enable replicate studies across different environments by different research groups.
Not only does rapid prototyping allow for a permanent 3D record of the features and relative position, but also simple magnification enables larger replicates of the pathological features (Fig. 1), making it easier to appreciate abnormal anatomy.
This is because each of the two daughter cells formed during cell division usually inherits about half of the cellular material from the mother cell (see cell: Cell division and growth), and is important because the presence of essential enzymes enables DNA to replicate even before it has made the enzymes necessary to do so.
Microinjection moulding is a key enabling technology for replicating miniaturized components and parts with functional features at the micrometer and even sub-micrometer length scale.
An executive at one leading bank, who declined to be named, said the RiskMetrics model's transparency enables him to replicate its methodology and make comparisons among clients.
"It enables us to replicate the conditions of a flight at 35,000 feet and our airline has developed many in-flight dishes based on research conducted in this facility," says a Singapore Airlines spokesperson.
The nonpathogenic nature of H7 viruses in poultry enables them to replicate silently in birds.
