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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 to the traits which are beneficial to an organism
B
any physical trait that is expressed
C
a result of damaged cells
D
any change in the DNA sequence/genetic information
2) The two MAIN categories of Mutations are
A
Good and bad
B
Genetic and chromosomal
C
Base change and nondisjunction
D
expressed and lethal
3) The category of mutations resulting from the changing/altering of nucleotides in any way.
A
autosomal
B
chromosomal
C
genetic
D
germline
4) A category of mutations when the condensed chromatin structure is damaged or misplaced.
A
chromosomal
B
lethal
C
autosomal
D
indels
5) Which one IS NOT referring to a 'Base Change' mutation?
A
occurs when codons are misread during 'translation'
B
substitution and/or point mutations
C
caused by errors in DNA replication
D
effects are minimal
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
None
B
All
C
Some
D
Most
7) Which one IS NOT a way that organisms survive inevitable mutations
A
destruction of cells that are mutated beyond repair
B
more beneficial mutations than negative mutations
C
tolerance of a certain level of mutation
D
repair of mutational damage
8) Which type of Chromosomal mutation is when homologous pairs fail to segregate during gamete formation?
A
Non-disjunction
B
Recombination
C
Karyotypic
D
Breakage
9) Chromosomal mutations can be caused by all of the following EXCEPT for which one?
A
mechanical stress
B
misread codons
C
ionizing radiation
D
chemical attack
10) A photomicrograph of human chromosomes used to detect chromosomal mutations.
A
karyotype
B
pedigree
C
frameshift
D
punnet square
*select an answer for all questions
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