The answer is D. Chromatids have switched.
GIVE ME BRAINLEST I NEED TO GET TO EXPERT CAN U HELP
EXPERT IS MY NEXT LEVEL
I dont understand what you are asking
D. "his sister, who had taken a sales job, learned shorthand and French in the evenings so that she might be able to get a better position later on"
A good topic sentence is very clear, focused on the topic, directly relates the thesis, summarizes the main points of that paragraph, and strongly supports a claim.
Due to the fact that I have not read this book i would not be able to accurately answer this question however, I can offer a suggestion and that would be B.