Companies nowadays use informercials to advertise exerything from CDs to skin care products; some late nights it seems like the only thing you can find to watch on TV is an infomercial. 15 people found this helpful. I was not a big fan of the infomercial and decided to go in the other room and have a snack instead.
A karyotype is a picture of all of the chromosomes present in a single one of your cells. A karyotype is a test used to check for chromosomal abnormalities. A karyotype can tell how many chromosomes a person has, as well as detect any errors those chromosomes may have. Normally, a person has 46 chromosomes or 23 pairs.
Down Syndrome. A karyotype is a photograph of the chromosomes in a cell. Karyotypes can be taken from blood cells, fetal skin cells (from amniotic fluid or the placenta), and bone marrow cells. Karyotypes can be used to confirm Down syndrome, which is caused by an extra copy of chromosome number 21. From a patientâs perspective, a karyotype is a simple blood test. But what happens to the blood after it is collected is actually quite complex.