Pawpaw seeds collected from a tree with many desirable agronomic qualities did not give rise to plants of desirable character as the parent because

A.

seeds are not reliable for propagating plants

B.

uncontrolled out-crossing can introduced unwanted variability

C.

vegetative propagation is best form of reproduction of all crop

D.

seeds were not physiologically mature at the harvest

Correct answer is B

No explanation has been provided for this answer.