If it is one question the it neutral mutation.
which is a mutation that has no effect whatsoever
Answer:
backcrossing
Explanation:
when you cross the offspring (inttermediate size) to one of the parental strains, (the small strain for example) you should get 1/2 intermediate size and 1/2 parental size (small) if body size is due to single gene. On the other hand if the trait "size" is polygenic you should get mice around half way between small and intermediate sizes.
1. Stop Bleeding
Apply direct pressure on the cut or wound with a clean cloth, tissue, or piece of gauze until bleeding stops.
If blood soaks through the material, don’t remove it. Put more cloth or gauze on top of it and continue to apply pressure.
If the wound is on the arm or leg, raise limb above the heart, if possible, to help slow bleeding.
Wash your hands again after giving first aid and before cleaning and dressing the wound.
Do not apply a tourniquet unless the bleeding is severe and not stopped with direct pressure.
