Egg and sperm join together. Pollen and seed join together. Offspring have traits of only one parent. Offspring are identical to one parent.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which best describes sexual reproduction in all animals?
Possibilities:
- Egg and sperm join together.
- Pollen and seed join together.
- Offspring have traits of only one parent.
- Offspring are identical to one parent.

Egg and sperm join together.