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If you didn't know already, trisomy 21 is also known as Down Syndrome. It is caused by error in the cell division which is called nondisjunction. It leaves a sperm or egg cell with an extra copy of chromosome 21 before or after conception.
Muscle fibers can be divided into two general categories: Category I, which is sluggish, and Type II, which is quick.There are three primary fiber types in type II, which is further divided into type IIA (oxidative) and type IIX (glycolytic).These fibers exhibit comparatively unique features in terms of metabolism, contractility, and motor units.
<h3>
Which cell types make up skeletal muscle?</h3>
These cells to make up muscular tissue are referred to as myocytes, or muscle cells.The human body contains three different types of muscle cells: cardiac, skeletal, or smooth.
<h3>How many different types of cells exist?</h3>
Your body has roughly 200 different kinds of cells.These cells help to build your tissues and organs as well as your immune system, which works to protect your body.Your body regularly replaces its dead cells with new ones.
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All somatic cells have same genes but the genes whose product is not needed are turned off. Some genes are expressed constitutively and some genes are turned off and on depending upon the requirement of proteins.