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WorksheetsBIOLOGY STARR B.6E
Total questions: 13
Worksheet time: 7mins
A mutation is least likely to affect a cell when the mutation-
Reverses the order of bases in a DNA strand
Allows the total number of bases in a DNA sequence to remain the same
Replaces a base with its complementary base
produces a triplet that codes for the same amino acid as the original triplet
Which of these changes to the DNA triplet 3' GCT 5' will affect the protein produced?
GTT
TCT
TCC
GCA
A mutation that occurs in the gametes of an organism most likely be transferred to which of the following?
The siblings of the organism
The offspring of the organism
The other organisms living nearby
The mating partner of the organism
What type of mutation is depicted in the sequence?
Substitution
Deletion
Insertion
Frameshift
Which is the new peptide chain when the new DNA segment is translated?
(a)
Nitrogenous bases are added
Nitrogenous bases are exchanged
Nitrogenous bases are damaged
Nitrogenous bases are deleted
Mutations are a source of variation in the species
Mutations are the cause of disease in the species
Mutations are not harmful when they occur in somatic cells of the species
Mutations are always passed on to generations of the species
Which mutation will cause the translation to stop?
Mutation 1 and 3 only
Mutation 1 only
Mutation 2 only
Mutations 1,2, and 3
Insertion
Translocation
Substitution
Deletion
A
B
C
D
F
G
H
J
INSERTION
DELETION
DUPLICATION
SUBSTITUTION
INSERTION
TRANSLOCATION
SUBSTITUTION
DELETION
