What is occurring in the diagram below? A.) Alleles are independently assorting.
B.) Segments of DNA are crossing over.
C.) Sister chromatids are separating.
D.) Genes are replicating.

there's the proffessional site that will you.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

a. to encourage apoptosis