NEW
Font size
WorksheetsREINFORCEMENT 1 DB014 - Mutation & Recombinant DNA Technology
Total questions: 8
Worksheet time: 4mins
In sickle cell anaemia, glutamic acid is replaced with valine.
Identify the type of gene mutation that has occurred.
Base deletion.
Base insertion.
Inversion.
Base substitution.
A _____________ is a nucleotide base substitution that results in new amino acid.
nonsense mutation.
silent mutation.
missense mutation.
point mutation.
Cri du chat is a chromosomal condition that results when a piece of number 5 chromosome is missing.
What type of chromosomal mutation that has occurred?
Deletion
Inversion
Duplication
Translocation
What type of gene mutation has occurred when UAU is changed to UCC?
Base substitution.
Base insertion.
Inversion.
Base deletion.
EcoR1 is an example of enzyme that recognizes and cuts DNA molecules at a specific recognition site. This is an example of a
DNA ligase
DNA polymerase
RNA polymerase
restriction enzyme
The mechanism where a recombinant DNA is introduced into host cells is called
transduction.
conjugation.
amplification.
transformation.
Which pair of enzymes are needed in gene technology?
RNA polymerase and DNA ligase
DNA polymerase and DNA ligase
DNA ligase and restriction enzyme
RNA polymerase and restriction enzyme
A small and circular DNA that is used as a cloning vector is
Escherichia coli
plasmid
target DNA
bacteria
