Allelic exclusion --- In immunogenetics, the observation that only one of the pair of parental alleles for each H chain and L chain of an immunoglobulin molecule is expressed within a single cell.

The jeans maker Levi Strauss and Hanebrand, which owns the Wonderbra brand, have warned of higher prices, while the budget fashion chain H&M has also raised the alarm over rising raw material costs.

The reaction rate is determined by the activity of C-H bond in side-chain alkyl.