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Review Unit 9.1: Mutations
Test Description: A review from part 1 of Unit 9: Mutations, Change, Diversity
Instructions: Answer all questions to get your test result.
1) By definition, any mutation is...
A
any change in the DNA sequence/genetic information
B
a result of damaged cells
C
any change to the traits which are beneficial to an organism
D
any physical trait that is expressed
2) The two MAIN categories of Mutations are
A
Base change and nondisjunction
B
Good and bad
C
Genetic and chromosomal
D
expressed and lethal
3) The category of mutations resulting from the changing/altering of nucleotides in any way.
A
chromosomal
B
genetic
C
autosomal
D
germline
4) A category of mutations when the condensed chromatin structure is damaged or misplaced.
A
lethal
B
indels
C
chromosomal
D
autosomal
5) Which one IS NOT referring to a 'Base Change' mutation?
A
substitution and/or point mutations
B
caused by errors in DNA replication
C
effects are minimal
D
occurs when codons are misread during 'translation'
6) Which one best describes how many mutations, out of the total amount of mutations in one organism, have NO effect on the organism?
A
All
B
Most
C
None
D
Some
7) Which one IS NOT a way that organisms survive inevitable mutations
A
repair of mutational damage
B
more beneficial mutations than negative mutations
C
destruction of cells that are mutated beyond repair
D
tolerance of a certain level of mutation
8) Which type of Chromosomal mutation is when homologous pairs fail to segregate during gamete formation?
A
Non-disjunction
B
Karyotypic
C
Breakage
D
Recombination
9) 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
10) A photomicrograph of human chromosomes used to detect chromosomal mutations.
A
pedigree
B
frameshift
C
karyotype
D
punnet square
*select an answer for all questions
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