Answer:
Explain
well just do it i belive in you dont try to act all diffrent or cool that makes people not like u just be yourself

Actually Welcome to the Concept of the Genes.
Basically a Polygenetic trait is controlled by two or more genes.
Examples of human polygenic inheritance are height, skin color, eye color and weight. Polygenes exist in other organisms, as well.
Fibrin is involved in shrinking clots which is also apart of "hemostasis" and wound healing. It has the ability to protect tumors from cells immune to cancers.
Answer:
B. the insertion of a mismatched nucleotide into a DNA strand
Explanation: