Shared Flashcard Set

Details

CSULB biol 212 15.1
Flashcards for 15.1
27
Biology
Not Applicable
04/19/2011

Additional Biology Flashcards

 


 

Cards

Term
A gain of function mutation leads to?
Definition
A protein with an altered function
Term
A loss of function mutation leads to?
Definition
Nonfunctional proteins
Term
A missense mutation substitutes _____________.
Definition
One amino acid for another
Term
A nonsense mutation causes what to form?
Definition
A stop codon
Term
A type of point mutation that is not expressed as the phenotype, and has no effect on amino acid sequences is a....
Definition
Silent Mutation
Term
Addition of groups to the bases is a type of?
Definition
Induced Mutation
Term
Alteration of bases by chemicals is a type of?
Definition
Induced Mutation
Term
Conditional Mutations cause their phenotypes under what kind of conditions?
Definition
Restrictive
Term
Damage inflicted on the genetic material by radiation is a type of?
Definition
Induced Mutation
Term
Deletions, duplications, inversions, and translocations are all examples of?
Definition
Chromosomal mutations
Term
Errors by DNA Polymerase during replication are a type of?
Definition
Spontaneous mutation
Term
Loss of an amino group in cytosine, or a deamination, is a type of?
Definition
Spontaneous mutation
Term
Mutations are the raw material of?
Definition
Evolution!
Term
Mutations that are not passed on to sexually produced offspring.
Definition
Somatic Mutations
Term
Mutations that are passed on to sexually produced offspring.
Definition
Germ line Mutations
Term
Point mutations and Chromosomal Mutations are examples of mutations at the ____________.
Definition
Molecular Level
Term
Removal of part of the genetic material is considered a?
Definition
Deletion
Term
True or False-Germ line and somatic mutations can only benefit an organism.
Definition
False. They can be harmful, too
Term
True or False-Mutagens are artificial only.
Definition
False. They are natural also
Term
What is the importance of 5-methylcytosine?
Definition
It is a Hot Spot for Mutations
Term
What is the main difference between a spontaneous and an induced mutation?
Definition
Induced mutations require a mutagen to occur
Term
What kind of mutation can lead to the production of nonfunctional proteins?
Definition
Frame-shift mutation
Term
When a base temporarily forms a rare tautomer, a _____________ can occur.
Definition
Spontaneous Mutation
Term
When a broken segment is inserted in reverse order, this is called an?
Definition
Inversion
Term
When a segment of a chromosome breaks off and is inserted into another chromosome, this is a?
Definition
Translocation
Term
When homologous chromosomes break at different points and swap segments, and one contains a duplication, this is a?
Definition
Duplication
Term
When radiation damages DNA, radiation can be considered a?
Definition
Mutagen
Supporting users have an ad free experience!