I have a question, I am new to incubating eggs. I have several eggs in the incubator at day 10. Most of them seem dark at one end with veins, but I have a couple that look like there is only a yolk in it. Are the ones with the yolk dead? I was also wondering if the other eggs are growing too fast. I saw a thread with pictures and my eggs looks like the ones from day 12 in the other thread. My incubator is right at 100 degrees and 40% humidity. Thanks a bunch!!!!!!!!!!!