Offspring are the product of reproduction, a new organism produced by one or more parents.
Progeny: This is another term for offspring, referring to the descendants or children of an organism.
F1 Generation: This refers to the first generation of offspring obtained from an experimental cross of two organisms.
A zygote is the initial cell formed when two gamete cells (sperm and egg) are joined by means of sexual reproduction. It contains all the genetic information necessary to form a new individual.