Some help me fill in this Punnett Square

                  R R

ww       Rw Rw Rw Rw          its only red flower.

               Rr

ww        Rw Rw rw rw           the flowers are 50% red and 50% pink

1. ww

2. RR or Rr

3. if the parent for red is RR, then 100% ; if the parent is Rr, then 50%

4. if the parent for red is RR, then 0% ; if the parent is Rr, then 50%

5. rw

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.