A sign of genetic mutation is a missing finger or an extra limb of some sort. Also people who study the human genome can trace gene pairs that are not complete or mixed up which can cause genetic mutations.
Answer:
Option (b)
Explanation:
Maxwell right hand thumb rule: if we hold a current carrying conductor in our right hand such taht the thumb indicates the direction of current then the curling of fingers give the direction of magnetic field around the conductor and vice versa.
Here the current is counterclockwise so by use of Maxwell right hand thumb rule the direction of magnetic field is straight up.