1.Amniocentesis is a procedure which involves draining a small amount of amniotic fluid. Amniotic fluid contains a few cells from the fetus. Chromosomes in the cells, which contain the genetic information of the fetus, are examined for abnormalities
2. DNA testing, introduced in 1976, is used to identify specific gene disorders.
Becauses the structure above inportant in maintains homeostyasis
A karyotype is the number and appearance of chromosomes in the nucleus of an eukaryotic cell. Karyotypes also describe the chromosomes count of an organism and the appearance of these chromosomes under the microscope. Cell which lack cell cycle control are often cancerous cells and they look different under the microscope compared to the normal cells. Cancerous cells will look different under the microscope in term of number of chromosomes, size, length, positioning and general appearance.