Upload
marcia-greer
View
223
Download
4
Tags:
Embed Size (px)
Citation preview
KARYOTYPE TESTS
KARYOTYPE =
Image of all the chromosomes from
the nucleus of a cell
Can be done to identify genetic
disorders
ANALYZING A KARYOTYPE
Check the 23rd pair of chromosomes• Should be XX (female) or XY (male)• ***Y chromosome determines male – no Y
chromosome is female***
Check that there are two chromosomes for each pair
If there are more or less, identify the genetic
disorder
NORMAL MALE (46XY)
NORMAL FEMALE (46XX)
MALE WITH KLINEFELTER’S (47XXY)
FEMALE WITH TURNER’S (45XO)
FEMALE WITH CRI DU CHAT
FEMALE WITH DOWN SYNDROME