Cell Chapter 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Substitutions, Insertions, and deletions are all examples of what? | Mutations
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| What one base replaces another what is this type of mutation? | Substitution
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| Chargaff's Rules state? | The amount of Adenine is always equal to the amount of Thymine and the amount of Cytosine is always equal to the amount of Guanine
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| When an extra base is added to an organism's DNA this mutation is known as? | Insertion
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| ______________ is a tool used for tracing a genetic trait through generations of a family | Pedigree
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| When a base is left out of an organism's DNA is known as what kind of mutation? | Deletion
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| Asbestos and chemicals from cigarette smoke are examples of what? | Mutagens
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| Watson and Crick concluded that DNA resembled a twisted ladder shape known as a ______________ | Double Helix
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| One side of a strand of DNA is always _____________ to the other side | Complementary
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| What base pairs match up with each other | A-t and G-C
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| Define incomplete Dominance | each allele for a trait has its own degree of influence
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| In a DNA strand the sides of the "ladder" are made of ____________ | alternating sugar and phosphate molecules
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| In a DNA strand the rungs of the "ladder are made of ______________ | bases
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| Rosalind Franklin's images suggested that DNA had what shape? | spiral
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| What helps us to repair mutations in our body? | repair enzymes
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| A change in the order of the bases is called? | mutation
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| A physical or chemical agent that causes damage to DNA is called? | mutagen
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| Genes are composed of subunits known as ___________ | nucelotides
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| Chromosomes are made of what 2 things? | DNA and protein
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