I need help with questions 1-8 please

Which flexible structure that supports the nerve cord and led to the backbone

Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.

What element does susan b. anthony include in this passage to strengthen her argument?