How can scientist use the following pedigree

Scientists can use the pedigree to study the phenomenon of dominance. A pedigree is a table or a chart recording a line of ancestor, either of persons or of animals. It is a diagram of a family tree showing the relationships between individuals together with relevant facts about their ancestory. The pedigree analysis is the interpretation of these data that allows a better understanding of the transmission of genes within a family.

Ithink the answer is c. i’m not sure though i’ll notify you when i have an exact answer!

Telophase colchicine is a chemical obtained from plants that prevents the assembly of spindle fibers