Which type of post-mating isolating mechanism will fertilize the egg without zygote formation?
Zygotic immortality
Zygotic mortality
Gametic incompatibility
Gametic compatibility
Option 2 - The egg is fertilized without zygote formation is known as Zygotic mortality.
Option 3 -The transfer of sperm occurs without egg fertilization is known as Gametic incompatibility.
Option 1 and 4 do not involve in post-mating isolating mechanism
Hence, option 2 is the correct answer.