Suppose that a group of male pied flycatchers migrated from a region where there were no collared flycatchers to a region where both species were present. Assuming events like this are very rare, which of the following scenarios is least likely?
A) The frequency of hybrid offspring would increase.
B) Migrant pied males would produce fewer offspring than would resident pied males.
C) Pied females would rarely mate with collared males.
D) Migrant males would mate with collared females more often than with pied females.
E) The frequency of hybrid offspring would decrease.
Male reproductive anatomy model
Pelvis Male from side and above
The male reproductive system
The male and female reproductive systems.
Statuette of a Male Figure
The lacO region O1 containing an inverted repeat sequence