The reason why Mary was born with only one kidney and the
variation in the inherited trait is best explained of the cause is because of
the mutation of which is an action of having the organ to be mutated because of
alterations in the DNA, either deletion or insertion.
bacteria in food can be killed by many means such as:
a) Pickling. for example food is pickled as bacteria cannot live in very acidic conditions.
b) Boiling. boiling water or liquids can help kill bacteria present in them.
c) Using preservatives can also help
d) Immersing food in salt or sugar solutions is also an other way
Fun Fact: Rubber bands last longer when refrigerated.
