The human blood type is an example of the expression of Inheritance. and in complex inheritance

incomplete penetrance
codon
I polygenic trait
codominance
multiple-allele series

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.