Answer – DNA (Deoxyribonucleic acid) The DNA provides the information for cell growth and function of all known living organisms. It also carries the information for their development and reproduction. Most of the DNA is located in the cell nucleus (in this case, called nuclear DNA), but some amount of DNA are also contained in the mitochondria (in this case, called mitochondrial DNA)
Explanation: if the parents are both RB, one would end up red, one would end up blue, and 2 would be heterozygous and end up presenting the incompletely dominant color of purple.