Income Exclusion Rule. DEFINITION of 'Income Exclusion Rule'. A rule that sets aside certain types of income as nontaxable. There are many types of income that qualify under this rule, such as life insurance death benefit proceeds, child support, welfare and municipal bond income. Income that is excluded is not reported anywhere on Form 1040.
Ancestral vs derived alleles. An ancestral allele or an ancestral trait (depending on whether you look at the phenotype or a t the genotype) is the trait/allele that was carried by the common ancestor of the taxon you consider.
The ancestral alleles associated with the phase1 release where generated using two different processes. The snp ancestral alleles were derived from Ensembl Compara release 59.The alignments used to generate them can be found in the phase1/supporting directory.he ancestral alleles associated with the phase1 release where generated using two different processes. The snp ancestral alleles were derived from Ensembl Compara release 59.