In total, 10 runs were performed using null allele
frequency which was estimated by Cervus software.
were detected at three loci (AV13, MSMM2, and MSMM6), but because they were not consistently detected across all subspecies (Appendix II) we used all loci in subsequent analyses.
2002), the authors reported the presence of a 74/78 male and a 78/78 male being present at other matings with a null allele
being called (in Table 3 of Bonizzoni et al.
The probability of null alleles
(r) was calculated for each microsatellite, as described by Brookfield (1996):
22-24]detected different null alleles
, including Wx-A1.
Comparing these data and our results using a population of 60 Mexicans with chronic periodontitis, an increase in the frequency of the GSTM1 null allele
to 55% is observed and our data indicate that the GSTT1 null allele
is present at a frequency of 65%.
All apparently homozygous undisputed mothers who had a different STR phenotype to their apparently homozygous children were counted as probable null allele
2009), which suggests there may be null alleles
at these loci.
Allelic frequencies of esterase loci determined for populations and clones of Schizaphis graminum Region Null Allele
Allele 1 Allele 2 Allele 3 A 0 0.
1992), showed estimates of null allele
frequencies that were four and six times as large, respectively, as those observed for the other 22 loci.
When Shriver, who considers himself to be white, analyzed his own DNA, he found that it contained the Duffy null allele
, found only in descendants of sub-Saharan Africans.
Animals homozygous for a null allele
of collagen IV lack this molecule in the basement membrane of muscle cells.
In colony 6 we suspected a null allele
at locus Pbe80AAC for the queen's genotype, which would explain why some of her female offspring appeared homozygous for the paternal allele and why some males had no amplification product.
In general, all null allele
frequency estimators gave similar results.
and frequency were checked with Micro-Checker version 2.