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


A Review From Part 1 Of Unit 9: Mutations, Change, Diversity. TEACHERS: click here for quick copy question ID numbers.

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

The two MAIN categories of Mutations are
a) Base change and nondisjunction
b) Genetic and chromosomal
c) Good and bad
d) expressed and lethal

The category of mutations resulting from the changing/altering of nucleotides in any way.
a) genetic
b) chromosomal
c) autosomal
d) germline

A category of mutations when the condensed chromatin structure is damaged or misplaced.
a) autosomal
b) lethal
c) indels
d) chromosomal

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'

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 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 type of Chromosomal mutation is when homologous pairs fail to segregate during gamete formation?
a) Recombination
b) Karyotypic
c) Non-disjunction
d) Breakage

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

A photomicrograph of human chromosomes used to detect chromosomal mutations.
a) punnet square
b) karyotype
c) pedigree
d) frameshift

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