Do all the cells that make up the sequoia tree have the same genetic material (same instructions on their DNA)?

yes

Explanation:

because the only thing that is changing is the number of cells, mitosis causes cells to split and multiply forming organisms

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.