Object A but not Object B
Answer:
Parts of the U.S. state of Alaska and the countries of Canada, Greenland, Iceland, Norway and Russia are all in the Arctic tundra biome. Regardless of how cold and bleak the weather may be in the northern contiguous states in the middle of winter, technically, the tundra does not extend below northernmost Canada
Explanation:
The gene that controls production of white blood cells is likely to widely expressed.
Psychological disorder is not genetic.it is about emotional a more term than mental illness