Which is more important in sexual reproduction, male or female? why(pick one)

Answer the following questions:

1.Which is more important in sexual reproduction, male or female? why(pick one)

2.Scientists are working on the combining of two eggs to form an embryo. Some are also working on the fusion of two sperm.

Discuss EACH and tell how it would work, what would go wrong, what populations might want this? Think carefully and write all your ideas.