Objective: Identify and differentiate
between karyotypes IOT diagnose
chromosomal disorders.
Drill:
1. Horses have 64 chromosomes in each body cell.
If a horse cell undergoes meiosis, how many
chromosomes should be in each gamete?
2. How many chromosomes are in sperm and egg
cells?
Down Syndrome Video
• Watch the following NBC learn
clip.
• Be prepared to answer the
following question:
–How is a person with Down
Syndrome different from you?
Karyotyping Vocabulary
• We are going to be using some new
vocabulary today.
• Try to match up the new vocabulary
words with their definitions.
• You have 3 minutes.
Warm Up:
• While the laptops are being passed
out, complete the Prior Knowledge
activity for the Gizmo.
• You may not start the Gizmo until
your Prior Knowledge is complete
and your paper has been stamped.
Karyotyping Gizmo
• Log on to www.explorelearning.com
and login using the numbered card
you received.
• We will complete the warm up
together.
Karyotyping Gizmo
• With your desk partner, complete
Activity A.
• You have 15 minutes to complete
Activity A.
• Each partner must complete their own
worksheet.
• Your worksheet must be stamped before
you may move on to another section.
Karyotpying Gizmo
• Now move to Activity B.
• You have 20 minutes to complete
activity B.
• Once you have finished, make sure your
paper gets stamped.
• If you finish before the timer rings, you
may start your analysis questions.
Gizmo Analysis Questions
• Pass in your Gizmo Worksheets to the center
of your row.
• You may use your Gizmo to answer the
analysis questions.
• You have 7 minutes to complete your
questions and log off of your computer.
• This is an individual and quiet activity.
• If you finish early, please start making your
flash cards for today.
Lesson Review
• What is a karyotype?
• How many chromosomes do humans
have?
• How many chromosomes do sperm and
egg cells have?
• How can you identify Down Syndrome?
• Which chromosome determines the sex
of offspring?
Review Question 1
Which disorder can be identified based upon the
karyotype below?
A. Down Syndrome
B. Klinefelter’s Syndrome
C. Turner Syndrome
D. Normal Female
Try Again…
• You have selected an incorrect answer. Please
go back to the question and try again.
Correct!
• Congratulations! You have selected the
correct answer. Click on the picture below to
proceed to the next question.
Review Question 2
Which disorder can be identified based upon the
karyotype below?
A. Normal Female
B. Infertile male
C. Infertile female
D. Normal male
Try Again…
• You have selected an incorrect answer. Please
click on the picture below to go back and try
again.
Correct!
• Congratulations! You have selected the
correct answer. Please click on the picture
below to proceed to the next question.
Review Question 3
Identify the disorder based upon the karyotype
below.
A. Down Syndrome
B. A male with Turner’s
syndrome.
A. A female with Turner’s
syndrome.
A. A normal female.
Try again…
• You have selected an incorrect answer. Please
click on the picture below and try again.
Correct!
• Congratulations! You have selected the
correct answer and successfully completed
the review.
Lesson Assessment
• Complete the Karyotyping Lesson Assessment.
• Please place your assessment on the table by the
door when you have finished.
• After your assessment you need to finish your
vocabulary flash cards for today.
• Make sure I have checked your flash cards for
classwork credit before you leave.
• This is a quiet and independent activity.
Homework
• We have a Short Cycle next class so…
STUDY!!