Which is true? a. in long bones, the epiphyseal line is sharper as we age. b. in long bones, the epiphyseal line disappears as we age. c. in long bones, the head and shaft fuse as we get older. d. b & c

Follow the directions for self-quiz question 8, draw it, by labeling the appropriate structures with these terms, drawing lines or brackets as needed: chromosome (label as replicated or unreplicated), centromere, kinetochore, sister chromatids, nonsister chromatids, homologous pair, homologs, chiasma, sister chromatid, cohesion