The number of each electron in its shell determines how an atom combines with other atoms to form compounds.
By binding to DNA it triggers the transcription of a specific gene.
Explanation:
when dogs breed the mother and father each randomly contribute one allele from each locus giving each allele 50% chance of being passed down to the pups. one of the alleles at each locus is dominant and determines the traits like coat color
Hi hope I can help, I think the answer isB
