BIOLOGY Chapter 14: Evolution: A History and a Process Name:________________________
Section Goal: The student will explain how natural selection causes the sickle cell allele to persist in some gene pools and explain how antibiotic resistance may evolve in bacteria.
Vocabulary:
1.
Antibiotic-
Concept 14.5 Evolutionary Biology is important in health science
I. Natural Selection and Sickle Cell Disease
A.
Sickle Cell disease is a _______________disorder which affects the shape of
____________________ cells at a rate of 1 out of 25 people in some African populations
B.
Individuals with one copy of the allele are _________ ____________________________________
C.
Natural Selection has selected for those individuals which are resistant even with
____________________ of the sickle cell allele
II. Evolution of Antibiotic Resistance in Bacteria
A.
_________________ kill or slow the growth of bacteria
B.
An antibiotic will kill most of the bacteria in a _________________________ but leave those which are resistant behind soon a greater percentage of the bacteria is ____________________to the antibiotic
C.
In New York City, there are strains of the bacteria which causes _______________________ which are resistant to all three _________ used to treat the disease
D.
The overuse of antibiotics is the speeding up the ______ __________________________________
Lesson Reflection:

Monsters inside of me: Malaria. (2:49 video)

Malaria Activity
Lesson Assessment:
1. Under what conditions is the sickle cell allele beneficial to a heterozygous individual?
2. Identify a possible risk of overuse of antibiotics.
Summary of Key concepts: Summary of Key Concepts for 14.5
Technology/Application/Connection to real-world:

NOVA: What Darwin Never Knew