Review Unit 9.1: Mutations: Question Preview (ID: 19312)

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Chromosomal mutations can be caused by all of the following EXCEPT for which one?
a) chemical attack b) mechanical stress c) ionizing radiation d) misread codons
Which type of Chromosomal mutation is when homologous pairs fail to segregate during gamete formation?
a) Recombination b) Karyotypic c) Non-disjunction d) Breakage
Which one IS NOT a way that organisms survive inevitable mutations
a) tolerance of a certain level of mutation b) repair of mutational damage c) more beneficial mutations than negative mutations d) destruction of cells that are mutated beyond repair
Which one best describes how many mutations, out of the total amount of mutations in one organism, have NO effect on the organism?
a) Most b) Some c) All d) None
Which one IS NOT referring to a 'Base Change' mutation?
a) effects are minimal b) substitution and/or point mutations c) caused by errors in DNA replication d) occurs when codons are misread during 'translation'
A category of mutations when the condensed chromatin structure is damaged or misplaced.
a) autosomal b) lethal c) indels d) chromosomal
The category of mutations resulting from the changing/altering of nucleotides in any way.
a) genetic b) chromosomal c) autosomal d) germline
The two MAIN categories of Mutations are
a) Base change and nondisjunction b) Genetic and chromosomal c) Good and bad d) expressed and lethal
By definition, any mutation is...
a) a result of damaged cells b) any physical trait that is expressed c) any change in the DNA sequence/genetic information d) any change to the traits which are beneficial to an organism
A photomicrograph of human chromosomes used to detect chromosomal mutations.
a) punnet square b) karyotype c) pedigree d) frameshift
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