A standard arrangement of the chromosome complement done for chromosome analysis. A normal female karyotype would have each of the 22 pairs of autosomes arranged in numerical order together with the two sex chromosomes, XX. A normal male karyotype would have each of the 22 pairs of autosomes arranged in numerical order together with the two sex chromosomes, XY.
|Karyotype blood test||
A blood sample can be used to identify and evaluate the size, shape, and number of chromosomes of an individual.
Keratoconus is a condition that causes the cornea to weaken, get thinner and change shape. It affects about 1 in 2,000 of the population. The exact cause is unknown. It's possibly passed down through the family, or due to an allergy. Keratoconus is one of the most common reasons for corneal transplantation in younger patients.
Klinefelter syndrome is a chromosomal condition that affects male sexual development. Most males with Klinefelter syndrome have one extra copy of the X chromosome in each cell. Because their testicles do not develop normally, affected males may have low levels of the hormone testosterone which can lead to breast development, reduced facial and body hair, and infertility.