6.4 Studying Genetic Changes
Student text p.204
Down syndrome is a genetic condition in which a person has 47
chromosomes instead of the usual 46
a disease passed down through families.
causes thick, sticky mucus to build up in the lungs, digestive
tract, and other areas of the body.
It is one of the most common chronic lung diseases in children.
A local genetic condition (Sandy Point, in the West Coast of NL)
Identified by Dr. Penny
at the Health Sciences Center,
Memorial University of Newfoundland.
inherited traits in pea
Francis Crick &
structure of DNA and
how it replicates.
Proposed the double
Genome: consists of the full set of genetic
material that makes up an organism.
Made a map to identify genes
This information may be used
to check for particular diseases.
Human manipulation of an organisms
genome using current DNA technology
Alters the genetic makeup of an organism
Has applications to many areas including the
food we eat and issues related to health.
This has led to many concerns and fears both
inside and outside the scientific community.
Aqua Bounty Farms
Focused on health
St. John’s, NL
Please read and reflect on the genetic
engineering article your teacher will give you.
Here is a link to the online copy of the article!
In your reflection be sure to include the following
What is your view point on genetic engineering?
Do you think genetic engineering has more
positive or negative impacts on humans and the
What are some of the positive and negative
impacts of genetic engineering?