Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
In computer science, a mutator method is a method used to control changes to a variable. They are also widely known as setter methods. Often a setter is accompanied by a getter (also known as an accessor), which returns the value of the private member variable
Answer: Impetigo
The physical findings of
impetigo includes small,
red macule or vesicle that becomes pustular within a few hours and ruptures when
bacteria inoculate traumatized skin cells. This is visible primarily on the face and
extremities that characterized thick, honey-colored crust formed from the
exudate.
In addition, this is a highly contagious infection of the superficial layers of the epidermis
and primarily caused by Streptococcus pyogenes or Staphylococcus aureus.
Answer:
To facilitate DNA replication
Explanation:
The chromosomes must condense as to allow for DNA to replicate within the nucleus