Since this post is for cryptokitties, I thought I would post cryptokitty tools/website I use often! I am a newbie myself so I hope these will help other newbies.

https://cryptokittydex.com/kitties/491047
This website shows the genomes of your cat. Useful for seeing dominant and recessive traits!

https://kittycalc.co/
If you are breeding 2 cats, this website will show you the possible traits and chances of those traits in the offspring:

https://kittycalc.co/traits/
This page shows the mutation trees for some catributes:

https://cryptokitties411.com/
This is a great website with LOTS of information and tools:
For example.. mutation match up will show you the best type of cat to breed with to get rare mutations:
https://docs.google.com/spreadsheets/d/1NyutxCKKNN_sPQACJAdHYIwqbsKKfU7s4ng0QEtIaKo/edit#gid=0

BONUS FUN FACT!
To be an astronaut in Japan, the trainees are tested by folding 1000 origami cranes!
Link: https://www.meanwhile-in-japan.com/how-japan-selects-astronauts/

Thank you @cryptokittyfarm for these giveaways! I look forward to them :)

This Gen1 is adorable!
My Litter address:
0x35e2268306aab43014da143f110431ec0140957a