Defined in file seqfeat.asn
C++ class: CPopulation_data

Population-data ::= SEQUENCE {
    -- assayed population (e.g. HAPMAP-CEU)
    population VisibleString,
    genotype-frequency REAL OPTIONAL,
    chromosomes-tested INTEGER OPTIONAL,
    sample-ids SET OF Object-id OPTIONAL,
    allele-frequency REAL OPTIONAL,

    -- This field is an explicit bit-field
    -- Valid values should be a bitwise combination (= simple sum)
    -- of any of the values below
    flags INTEGER {
        is-default-population   (1),
        is-minor-allele         (2),
        is-rare-allele          (4)