Karyotypes

What are the 46 chromosomes made out of?

44 autosomes and 2 sex chromes

How is a Karyotype made?

White blood cells (WBC) from the sample are treated chemically to stimulate mitosis and to arrest mitosis in metaphase

what does an odd number of chromosomes create in an adult?

sterility

How are karyotypes put on the chart?

they are photographed, cut out, and arranged by size and shape into Homologous pairs

How do you tell the arms of the chromosomes apart?

The small arm is P and the large arm is Q.Numbered regions and sub regions are then assigned from the centromere onward.

What is a karyotype made from?

blood sample

Cells having 1 set of chromosomes, 2, 3, 4

haploid, diploid, triploid, tetraploid

What two factors determine how the chromosome is going to be arranged?

size and location