Karyotypes By Dr. Cao

Karyotypes These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism They help us determine: Gender Health status Healthy female karyotype

Down’s Syndrome Trisomy 21 Symptoms: -delays in physical growth -mild to moderate intellectual Disability -characteristic facial features Summary: Extra Chromosome 21

Klinefelter’s Syndrome Males with an extra X chromosome Affected individuals do not produce as much testosterone as usual Summary: Extra X chromsome # 23

Turner’s Syndrome Females who are partly or completely missing an X chromosome Typically unable to reproduce May have heart defects and diabetes Summary: Typically only 1 X chromosome #23