Question. In human beings, where genotype AABBCC represents dark skin colour, aabbcc represents light skin colour and AaBbCc represents intermediate skin colour; the pattern of genetic inheritance can be termed as:
A. Pleiotropy and codominance
B. Pleiotropy and incomplete dominance
C. Polygenic and qualitative inheritance
D. Polygenic and quantitative inheritance
Answer: D. Polygenic and quantitative inheritance