Explain why cloned animals may express different coat patterns.
Epigenetics. While their DNA may be the exact same, epigenetics plays a role in determining coat patterns, thus the coat patterns may be quite different.
A shot of what mineral is given to newborn piglets? Why?
Iron. Pigs are born with an iron deficiency, and in the wild, would rely on supplementation in the soil to fix this.
Why are IM injections in horses given in the cranial third of the neck?
It is thought that the omohyoideus muscle provides some protection from hitting the common carotid artery. The cutaneous colli muscle in the caudal part of the neck may inhibit jugular venipuncture as well.