Download Revision on Genetics

WALT: Revise for Genetics test
• ALL MUST Know the difference
between genetic and environmental
variation
• MOST SHOULD be able to describe the
structure of genetic material
• SOME COULD explain selective
breeding, natural selection and
extinction
1. Draw diagrams of the
following
• Cell
• Nucleus
• Chromosomes
• DNA
2. Draw what gametes look
like
• Label them
• Write down the
functions
3. In a table write down the 2 types of variation
Give examples under each column
4. Include a third column and give examples of
both
5. Include pictures to
show the stages of
natural selection
7. Give the definition of
extinction and the reasons
for why it happens
6. Write down what
selective breeding is.
• Is it right or wrong
give reasons for
both
8. What is biodiversity?
How can we preserve species
and why is it important