It would be 50%. Because the father was brown EeBb x eebb results in 25%. black, 25%. Brown 25%, and yellow 25%.
D. Cannot repopulate the world with endangered organism
Robert Hooke is the first person to observe cells as microscopic structures.
He was of British descent and, fun fact, he discovered cells by looking at a sliver of cork under a microscope lens (although the 'fun fact' is heavily simplified).
