Karyotypes and Mutations. Karyotype. An orderly display of magnified images of the individual’s chromosomes Shows the chromosomes as
they appear in metaphase.
3. Use a centrifuge to separate the white blood cells from the rest of the blood fluid
As the age of the mother increases above 30, the frequency of Trisomy 21 also increasesDoes the mother’s age matter?
47 XXY syndrome of Trisomy 21 also increases
testes small (sterile)
feminine body contours
Klinefelter’sAbnormal Sex Chromosomes
Fragment of the chromosome is lost
Fragment of one chromosome attaches to a homologous chromosome
Fragment reattaches in reverse direction (less likely to produce harm)
(an end to end fusion of #13 and #14) There is no net gain or loss of genetic material in this person so they would have a normal phenotype.
chromosome 11 (blue) has been
transfered to chromosome 1(yellow).Applications
Show only one set of chromosomes