Effect of the environment on phenotype (B2.7-3.3) - YouTube: ""
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Tuesday
Thursday
A Mutation story - Sickle Cell Anaemia
Sickle cell anaemic caused by a single point mutation (substitution) causes red blood cell shape to be irregular. This can have health affects for affected individuals. Where in the world does this have a selective advantage? Why? (is it the heterozygote or homozygote that has the advantage?)
Watch this video
Watch this video
Hot Turtles - How the environment (temperature) can influence phenotype (sex)
Watch the following clip to look at sex determination in turtles. What impact will climate change have on the long term survival of these animals?
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