Genetics: Analysis and Principles 5th Edition by Robert Brooker

تمرين 38

To avoid self-fertilization in his pea plants, Mendel had to
A) spray the plants with a chemical that damaged the pollen
B) remove the anthers from immature flowers
C) grow the plants in a greenhouse that did not contain pollinators (e.g., bees)
D) do all of the above.