Polyploidy is the term that describes the chromosomal abnormality of having extra chromosomes.
Answer:
So the egg definitely came first.
Explanation:
Dinosaurs laid eggs, the fish that first crawled out of the sea laid eggs, and the weird articulated monsters that swam in the warm shallow seas of the Cambrian Period 500 million years ago also laid eggs. They weren't chicken's eggs, but they were still eggs.
CCUUACUCUUAAG is the mRNA sequence
An exoskeleton is the outer skeleton of an animal to protect them. An exoskelton is also called a shell.
