Genes and Variation

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  • Created by: Nazi
  • Created on: 14-06-13 19:54
What is teh long molecule that is wound around protiens to form chromosomes?
DNA
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Mia has alleles for blood group O and blood group A, Explain why this is
She inherited one from her mother and one from her father
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Is Mia heterozygous or homozygous for blood group
Heterozygous
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What does sickle cell anaemia do to red blood cells and why is this bad?
The disease causes red blood cells to change from their usual round shape to become pointed. It's bad because it means they get stuck in blood vessels and cannot pick up oxygen properly from the lungs
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Apart from sickle cell anaemia, name 3 other inherited diseases.
Cystic Fibrosis, Huntington's, Down's syndrome and Haemophilia
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A comparison of human DNA and chimpanzee's show that theses animals share 99% of their DNA, Explain how this is evidence for Darwin's theory of evolution.
They both have a common ancestor and have evolved over time
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Other cards in this set

Card 2

Front

Mia has alleles for blood group O and blood group A, Explain why this is

Back

She inherited one from her mother and one from her father

Card 3

Front

Is Mia heterozygous or homozygous for blood group

Back

Preview of the front of card 3

Card 4

Front

What does sickle cell anaemia do to red blood cells and why is this bad?

Back

Preview of the front of card 4

Card 5

Front

Apart from sickle cell anaemia, name 3 other inherited diseases.

Back

Preview of the front of card 5
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