If an organism's diploid number is 12, its haploid number is

6

Explanation:

To find the haploid number you divide the diploid number in half, and you get the answer for the haploid number. EX: Diploid number: 78. 78 divide by 2 equals 39. Haploid number: 39

answer; ///i believe its: ///(embolus);

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.