It would be your third option. because if you look at the reproductive system both the sperm and the egg carry different amounts of genetic information.
Answer:
um we need a picture of Section 5 in your textbook
Answer: He is using Be prepared and Get experience
Explanation: If the speaker is presenting his speech several times to different friends and family friends is because he wants to get the experience of what is like to speak in front of others. Also, he wants to be prepared in all the process that it takes to speak in front of others, that goes beyond just talking, there is also a way of communicating with the audience.