Dog cloning is nowadays possible, and although expensive, it has allowed some companies to invest in this ethically dubious business. How are dogs cloned? How similar are dogs cloned? What are the problems associated to dog cloning? Would you clone your dog? 

Some references: 

The New Yorker Times article about Barbara Streisand

Vanity Fair article about dog cloning businesses

Verma, G., Arora, J. S., Sethi, R. S., Mukhopadhyay, C. S., & Verma, R. (2015). Handmade cloning: recent advances, potential and pitfalls. Journal of animal science and biotechnology, 6, 43. https://doi.org/10.1186/s40104-015-0043-y

Lee, SH, Oh, HJ, Kim, MJ, et al. Dog cloning—no longer science fiction. Reprod Dom Anim. 2018; 53(Suppl. 3): 133– 138. https://doi.org/10.1111/rda.13358