There are two events,
A: the selection belongs to the specific species, or
A' : the selection does not belong to the specific species.
The answer is A) less than 2.9
If not parents had a recessive type O allele, they would have a 1/4 or 25% chance of having a child with type O blood
There are two types of self-pollination: in autogamy, pollen is transferred to the stigma of the same flower; in geitonogamy, pollen is transferred from the anther of one flower to the stigma of another flower on the same flowering plant, or from microsporangium to ovule within a single (monoecious) gymnosperm
