A is a chemical substance that organisms require to live.

Compare the electric repulsion of the protons in the uranium nucleus (element 92) with the repulsion of the protons in the nucleus of barium (element 56)

2. in dragons, a gene on chromosome 1 codes for wing color and a gene on chromosome 2 codes for body color. draw out the stages of meiosis for these two chromosomes from a dragon that is heterozygous for both traits. define your alleles. what are all the possible allele combinations of the gametes produced?

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?