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Our Living World 4 – Genetics
Write on booklet
Lesson 1: Variation and Biological Keys
Biological ______ are used as a tool to _________ organisms based
on _________ (differences) in their characteristics.
There are 2 types of keys commonly used in biology:
(i)
(ii)
____________keys
_________ - _________keys
Pupil branched key:
EYE COLOUR
HAIR COLOUR BLONDE?
EAR LOBES FIXED?
EAR LOBES FIXED?
Paired – Statement key:
A: ___________________
B: ____________________
C: ____________________
D; ____________________
E: _____________________
F: ____________________
G: ____________________
H: ____________________
I: _____________________
Lesson 2: Variation
V________ can be classed as _____________ (fit into a range of
measurements) or ______________ (fit into distinct groups).
Continuous Variation
Discontinuous Variation
Stick in your histogram and Bar chart in the next
blank page.
The most common hand span range in the class is ___________mm
and the most common eye colour in the class is ______________.
Continuous variation is recorded using a line graph
or_____________. Discontinuous variation is recorded using a
_______ graph.
Lesson 3: What is DNA?
Chromosomes are found in the _________ of cells. Each
chromosome is made of long strands of DNA. Sections of these
strands are called ________.
Human cells have _____ pairs of chromosomes. One of each pair
comes from the _______and one from the ________.
Karyotype Diagram:
Fertilisation Diagram:
DNA person 
Lesson 4 – DNA Extraction
Aim: The aim of the experiment was to extract _________ from
__________
Labelled diagram of the experiment:
Conclusion: (Delete as appropriate)
I was/was not successful in the experiment because DNA
could/could not be seen on the end of the loop.
Lesson 5 – Inherited characteristics
Simple hair family tree diagram:
1. Benjamin __________ able to roll his tongue
2. Amelia is able to roll her tongue because
_____________________________________________
3. Jessie and Andrew would/would not be able to have children
that could roll their tongue. This is because ____________
___________________________________________
Create your own family tree on the next blank page:
Phenotype and Genotype
The ____________ of an organism is the ___________
appearance which results from the genetic information inherited
from parents (e.g. tongue roller or non-tongue roller).
The ___________ of an organism is the _________that an
offspring has ___________ (e.g. 1 copy of the tongue roller and 1
copy of the non-roller gene)
A ____________ gene is one that is ____________ (shown) if
there are 1 or 2 copies of the gene.
A _____________ gene is one that is only expressed if there are
____ copies of the gene (the dominant gene is not present).
Punnet Square Questions:
F
F
Offspring:
f
All would have the genotype _________
f
All would have the phenotype _________
D
D
Offspring:
d
All would have the genotype _________
d
All would have the phenotype _________
W
w
________ would be WW, _________ would be
W
Ww and _________ would be ww.
w
A
a
Aa and _________ would be aa.
a
S
s
Offspring:
________ would be AA, _________ would be
A
s
Offspring:
s
Offspring:
________ would be SS, _________ would be
Ss and _________ would be ss.
Lesson 6 – Beaker babies!
You will complete this activity without using your booklet.
Lesson 7: Genetic Disorders
Copy and complete the table below by ticking the box to show
whether each person is affected, not affected or a carrier of DMD.
DONNA
MICHAEL CONNOR
LUKE
ADAM
Affected
by DMD
Unaffected
by DMD
Carrier of
DMD
Questions:
1. Connor is now unable to ____________ and has issues moving
his _________ body
2. Connor was ______ years old when diagnosed
3. a – It affects his __________ and may also have an impact on
his mental health
b – Mother might feel _____________
4. Connor wants to be ____________ and wants to be treated
____________.
Screening:
I think that we ____________ screen because
__________________________________________________
Mutation questions:
1. Persons _________ and ______________ have stop codes
2. They have DMD because the _____________ is not made
properly
3. Computers can be used to find parts of ____________ that
are _______________.
Lesson 8: Genetic Disorders
Attach what you have made during this lesson to your booklet.
Lesson 9: Genetics and Blood Typing
Aim: To discover who committed the crime!
Method:
1. Add a drop of __________ from the crime scene to two
dimples on the white tile.
2. Add _________ serum to one and _________ serum to
the other drop of blood. Mix the serum and blood using a
small stick. (Make sure you use a different stick for each
serum)
3. If you see ______ or lumps in the mixture, then
___________has occurred.
4. Repeat steps 1 to 3 for blood taken from each of the two
suspects.
Conclusion: ___________ committed the crime
Additional Evidence:
Lesson 10: Selective Breeding
Selective __________ is used to _____________ characteristics
in certain species.
Selective breeding can be used to
(i)
(ii)
(iii)
Increase ___________(how much is produced)
Increase____________ (size)
Increase ______________ to disease
Part of the Challenge
Characteristics
needed
Negotiate the complex
maze
Read the mind of Azazel
Defeat Juggernaut in
battle
Possible X-MEN
Sheep selective breeding:
1.
2.
3.
4.
5.
6.
7.
8.
Lesson 11: Cloning
Create your story board on the next blank page OR on a piece of
blank paper. Your teacher may want to keep it!
Cloning passage questions:
1. Most animals are ___________ when the sperm
__________the egg. To make Dolly ________ was removed
from a ________ cell and inserted into an ________.
2. ____________with electricity
3. Dolly developed____________. This could have been because
of the_____________.
4. Cloning attempts have been unsuccessful with__________,
_________and____________ (common family pets)
5. My opinion is ____________________because
_____________________________
Lesson 12: Cloning Mimi
Perhaps ask your teacher if you can use the computer to compose
your newspaper article.
Is there a free computer in the classroom that you could use?
Lesson 13: Discover Stem Cells
Stem cells are able to _____________(copy themselves) and
____________(specialise into different types of cell). This ensures
that stem cells do not___________ out and that _________or
__________ cells get replaced.
There are different kinds of stem cell:
1. _________stem cells which are in our____________ all our
lives. These only make ____________cell types.
2. ___________ stem cells which are found in the
early______________. These can make _______ of the cells
in the body.
Lesson 14: CSI – Cell Science Investigators
Nerve cell diagram:
Results table:
Test Substance
Colour of cells after adding test
substance
A
B
C
D
E
Water
Conclusion:
Substance ________ should be put forward for more testing
because ___________________