Unit 18
• Genetics and Genetic Engineering
• Assignment:
• 1 = Nucleic Acid Structure and Protein Synthesis
• 2 = Mitosis/Meiosis and Variation
• 3 = Inheritance (genetic ratios etc…)
• 4 = Practical Genetic techniques
What will be doing?
Assignment 1: How do genes make proteins?
DNA, RNA structure (including nucleotides)
Genes and triplet codes
How genes make proteins
Assignment 2
• Cell division
• Mitosis stages and details
• Meiosis stages and details
• Practical examining dividing cells (garlic root tip squash)
• How cell division can increase variation in reproduction.
Assignment 3:
• Drosophila!
Assignment 4
• Practical Genetic Techniques:
• DNA extraction
• Gel electrophoresis / restriction enzymes
• Genetic transformation
True or False?
• A section of DNA that
codes for a protein is
called a gene
•True
True or False?
• Each cell contains 1 metre of
DNA
• False – Its actually around 2
metres!!
True or False?
• We share 98% of our DNA with
chimpanzees
•True
True or false?
• A DNA molecule is described
as a‘’double helix’’
•TRUE
True or False?
• We share 50% of our DNA with
mice
•False:
•92%
True or False?
• Red blood cells contain DNA
•False
• Humans have approximately 100
trillion cells
• True
True or False?
• DNA molecules have a slight negative
charge…
• True
True or false?
•The structure of DNA was
discovered by Watson and
Crick.
•True!
True or false?
• Aboard the ISS (international Space
Station) there is an ‘’Immortality drive’’
which contains a digitised version of the
DNA sequences of prominent people.
•TRUE!
DNA: The history
• Booklets…
Cell Structure Recap:
• Booklets…
• Important Organelles:
• Nucleus
• Endoplasmic reticulum
• Ribosomes
Crash Course DNA:
• https://www.youtube.com/watch?v=8kK2zwjRV0M
Booklets…
• Word search / Crossword / read information