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Copy of 2.2.4 Clues in the Chromosomes.pptx
Corynn McAtee
Created on October 28, 2024
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Transcript
2.2.4 Clues in the Chromosomes
Concerns about short height
- previously discussed nutrition recommendations with family
- Height goal: 94 cm
5 year old female In the clinic with her father, Julio
RELEVANT HISTORY
MEET YOUR NEXT PATIENT! RILEY HERNANDEZ
A NOT-SO-WELL VISIT
DID SHE REACH HER HEIGHT GOAL?
You have serious concerns about Riley not meeting her height goals. You must consider a variety of possible causes. Brainstorm with a partner to generate a list of ideas about what could be causing this delay in growth for Riley. When finished, share your list with the class and discuss.
Growth Concerns
STEPS TOWARDS DIAGNOSIS
RILEY'S RESULTS:
EXAMPLES OF HORMONES THAT REGULATE GROWTH
WHAT SYSTEM CONTROLS HORMONES?
WHAT SECRETES HORMONES?
WHAT ARE HORMONES?
POSSIBLE HORMONE IMBALANCE?
What are chromosomes? What is a chromosomal disorder? How is that different from a single gene disorder?
CHROMOSOMAL DISORDERS
- what is a cytogeneticist?
- what was Barbara McClintock's contribution to genetics?
- what is a "jumping gene" (transposable element)?
Watch the Chromosome spread module videos together 2.2.4 > chromosome spreads
WHAT IS A CHROMOSOME SPREAD?
READ THE HISTORICAL HIGHLIGHT
IT'S YOUR TURN!
ETHICS DISCUSSION:
- TREATING HUMAN CELLS WITH RESPECT
- HENRIETTA LACKS & THE CONTRIBUTION OF HELA CELLS
YOU WILL USE HUMAN TUMOR CELLS TO CREATE A CHROMOSOME SPREAD THEN YOU WILL STAIN THE CHROMOSOMES THEN, VIEW UNDER A MICROSCOPE
TO THE LAB!
Is this individual male or female?
KARYOTYPING
How many chromosomes does a typical human somatic cell have? How many pairs? How many are autosomes? How many are sex chromosomes?