Genetics and variation Flashcards
Who was given a Nobel Prize for discovering the structure of DNA?
Francis Crick, James Watson and Maurice Wilkins
Who took photograph 51?
Rosalind Franklin
What is photograph 51 of?
The double helix structure of DNA
What was the first animal to be cloned?
A sheep called Dolly
What does DNA stand for?
Deoxyribonucleic acid
What did Mary Anning call fossils?
Curiosities
What was the first major fossil that Mary Anning found?
An ichthyosaur
Where did Mary Anning live?
Lyme Regis in Dorset
What is a fossil?
the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form.
What are the three types of fossil?
Impression fossil: A print of a plant or animal.
Trace fossils: A fossil of what an animal is doing.
Replacement fossil: The bones of a dead animal, solidified by mineral water.
What are the four chemical bases in DNA?
Adenine, Cytosine, Guanine and Thymine
What is a change in the genetic code called?
Mutation
What is it called when one useful characteristic is passed down through generations?
Natural selection.
Who first proposed natural selection and evolution?
Charles Darwin
Where was the theory of natural selection and evolution made?
The Galapagos islands
