If A is the allele for brown hair and a is the allele for blond hair, how many children will have brown hair

allele B

Genes can be several alternative types called alleles example : allele B for brown hair, or b for blond. You inherit two alleles (one from each parent). A Dominant allele has an effect whether you have one copy of it, or two copies. eg BB or Bb (brown hair).

Explanation:

feral cats are estimated to eat tens of millions of native animals each night in australia