Fill in the Blanks Using Single Words

Essay

Fill in the blanks using single words.
A person with two or more genetically different cell lines is described as a genetic ___1____. Because we have so many cells in our bodies everyone will have cells that are genetically different as a result of ___2____ mutation; each of us is a genetic ___1___. People who have cells that originated from different zygotes are described as ___3____. That can happen when a person is a recipient of organ or cell _____4____. It can also happen during pregnancy at the earliest stages of development when non-identical ____5____ ___6___ fuse, and, more commonly at later stages of development, when there can be an exchange of cells between the ____7____ and the ___8___.