Which diagram below shows a correct base pair strand of DNA?

I’m stuck on this question cuz i’m stupid sksksksk

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?

Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?