The correct option is A If both the assertion and the reason are true and the reason is a correct explanation of the assertion
In Pinus,the embryo is straight and consists of a short axis bearing a ring of about ten slender, yellow cotyledons at the end, away from the micropylar end. In Pinus, more than one embryo come from a single egg by the splitting of the product of a single fertilization, termed as cleavage polyembrony.