null allele

(redirected from Null alleles)
Also found in: Medical.

null allele

[′nəl ə‚lēl]
(genetics)
An allele that does not produce a functional product and behaves as a recessive.
References in periodicals archive ?
0 was used to assess the polymorphism information content (PIC) and the frequency of null alleles (Kalinowski et al.
For the microsatellite data, we calculated these individual distance matrices on the basis of Nei's distance (Nei, 1972, 1978); the genetic distance of Cavalli-Sforza and Edwards (1967), which is the least sensitive to the presence of null alleles (Chapuis and Estoup, 2007); and genetic distance based on relative dissimilarity (Prevosti et al.
We found a significant deviation from Hardy-Weinberg equilibrium at locus BOOW13 which may be caused by high proportion of null alleles (30.
At the molecular level, mutations resulting in null alleles, unrecognized duplicated loci, and unrecognized sex-chromosome loci can cause deviations from HWE (Callen et al.
There were few loci that failed to amplify and be detected, leading us to reject the idea that null alleles are significant in the dataset.
Inference of population structure using multilocus genotype data: dominant markers and null alleles.