Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5-1.6 kg for a human adult. That is, about 1/50th of the body weight is because of liver.
I don’t understand your question
Answer:
They occur buy inheriting them.
Explanation:If your mom dad or any family member has a mutation or frameshift mutation they can pass it to off spring so the off spring can also have that mutation or frameshift mutation.
<span>X chromosomes is found in female cells and</span><span><span> males produce sperm with an X or a Y chromosome.</span> </span>