Which of these modes of reproduction is incapable of producing clones?
a) budding in hydra
b) fragmentation in algae
c) runners in strawberry plants
d) cross-pollination in corn plants

From the given choices which includes many different types of asexual reproduction, we are to determine which among them is the one which is incapable of producing clone. The answer to this item is letter D because the cross-pollination may create offsprings with different combinations of the plants.

Its the 3rd one.

Explanation:

I just answered it..