Transcript GENETIC TERMINOLOGY

WELCOME TO
EXPECTATIONS, LAB RULES
AND GOALS!
Please:
1)
Glue rules into the front of your book
2)
Listen to what the teachers
expectations are of you (and discuss)
3)
Complete the sheet regarding your
goals in science this year
4)
Rule your books up as instructed
THIS TERM WE’LL BE
STUDYING
Please Copy
Copy this chart in your book
Adaptation
2nd Toe bigger
Hairy Knuckles
Widows Peak
Darwin's Point
Can Roll Tongue
Earlobe Attached
% of Class
Frequency
(frequency ÷ total class)
Tally up how many people have these traits and put it
in your chart. ONLY COUNT those people that show
the trait.
CALCULATION TIME
Do you notice any Trends (patterns in the
data?
Explain what this means?
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Genetic Information
DNA – Deoxyribonucleic Acid
contains all the genetic
instructions to create all the
cells in your body.
Gene – part of a DNA molecule
that determines the inherited
trait.
Chromosomes – condensed DNA,
acts as a storage unit.
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Summarizing What we’ve learnt
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Genetic Information
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Every human has 23 pairs of chromosomes.
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Half of the DNA comes from your Father (23
chromosomes)
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Half of the DNA comes from your Mother (23
chromosomes)
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This makes sure that you are a variation of your
mum and dad.
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GENETIC VARIATION
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In a healthy population there is a wide
variety of genes that combine in many
different ways to form a broad diversity
of individuals.
Think inbreeding for a small population
with little genetic diversity
Summary video