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.
It's a painless test, involving little more than a needle prick to obtain a tissue sample, but it can tell a lot about a person's health. Here's an overview of how karyotyping is done and what it can reveal. How Karyotypes Are Performed. A karyotype can be created from different types of tissue. Usually, a blood sample is all that's needed, but if there's a concern that a developing fetus has a chromosomal abnormality, amniotic fluid may need to be drawn.