Traditional classifications tended to take into account primarily - (A.) Extinct organisms
(B.) RNA similarities
(C.) DNA similarities
(D.) Visible similarities and differences

i don't know. if i were you, i would search it up online : d

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

the answer is sex-linked recessive.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.