Errors can occur when the chromosomes segregate into the gametes during meiosis resulting in egg or sperm with too many or too few chromosomes. As a result, fertilised eggs and the ensuing embryos may have trisomy (an extra chromosome of a particular pair) in each cell or monosomy (one chromosome fewer in each cell).
The name for the tail-like appendage would be flagella
It helps decompose dead waste such as animals and mice and birds and plants, it makes the earth cleaner.
I think its A but I'm not sure.
