Source: Adapted from C

Multiple Choice

Source: Adapted from C. A. Huether et al., Maternal age specific risk rate estimates for Down syndrome among live births in whites and other races from Ohio and Metropolitan Atlanta, 1970-1989, Journal of Medical Genetics 35: 482-90 (1998) . Figure 8.20B Maternal age and incidence of Down syndrome
-What is the stage of cell division in a diploid organism if you see seven chromosomes, each consisting of a pair of sister chromatids?

A) mitosis prophase
B) mitosis anaphase
C) meiosis I anaphase
D) meiosis II prophase