Karyotyping and Chromosomal Disorders

What is a karyotype?

• An image that shows all of the DNA within an organism

• An image that shows the chromosomes from a single cell within a single organism

• The entire genetic sequence of humans

How many CHROMOSOME PAIRS does this dog have?

• 29

• 39

• 49

How many TOTAL CHROMOSOMES does this plant have?

• 24

• 10

• 12

What is the biological gender of this individual?

• Male

• Female

• Cannot be determined

Tags

NGSS.HS-LS3-1

What is the gender of this rat?

• Male

• Female

• Cannot be determined

Notice the abnormal 23rd chromosome.  This individual suffers from which chromosomal genetic disorder?

• Klienfelter's Syndrome

• Down Syndrome

• Cris-du-Chat Syndrome

• Andrew's Syndrome

Tags

NGSS.HS-LS3-1

What process occurs during meiosis that can result in chromosomal disorders?

• crossing over

• non-disjunction

• anaphase I

• prophase II

Describe this karyotype.

• Male with no obvious disorder

• Female with no obvious disorder

• Female with disorder

• Male with disorder

Tags

NGSS.HS-LS3-1

Describe this karyotype.

• Male with no obvious disorder

• Female with no obvious disorder

• Female with disorder

• Male with disorder

Describe this karyotype.

• Male with no obvious disorder

• Female with no obvious disorder

• Female with disorder

• Male with disorder

Tags

NGSS.HS-LS3-1