2. Human Genetics: Karyotypes 46 TOTAL 23 homologous pairs

3. Sex Chromosomes 2 sex chromosomes Typical Female = XX Typical Male = XY Autosomes: any chromosome that’s not a sex chromosome

4. What is a karyotype? Number and appearance of chromosome set 1.Search for homologous pairs 2.Examine sex chromosomes 3.Interpret disorder

5. Monosomy – missing chromosome TURNER SYNDROME Single X Chromosome XO 45; X

6. Trisomy – have 3 chromosomes instead of 2 Down Syndrome Extra Chromosome 21 47; X

7. Klinefelter’s Syndrome one or more extra sex chromosome 47; XXY Most common male chromosomal disorder.

8. SUPER FEMALE XXX

9. SUPER MALE XYY