... Connections Between Cell Division and Reproduction. A. Like begets (forms) like. (a dog with reproduce forming an likeness of him/her self). 1. This is strictly true only for organisms reproducing asexually. 2. Single-celled organisms, like protozoans, can reproduce asexually by dividing in two. Each daughter cell receives an identical copy of the parent's genes. 3. For multicellular organisms (and many single-celled organisms), the offspring are not genetically identical to the parents, but each is a unique combination of the traits of both parents. 4. Breeders of domestic plants and animals manipulate sexual reproduction by selecting offspring that exhibit certain desired traits. In doing so, the breeders reduce the variability of the breed's population of individuals. B. Cells arise only from preexisting cells. 1. This principle was formulated in 1858 by German physician Rudolf Virchow. 2. Cell reproduction is called cell division. 3. Cell division has two major roles. It enables a fertilized egg to develop through various embryonic stages, and an embryo to develop into an adult organism. ...

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