Table of Contents
- 1 What happens if there is an error in transcription?
- 2 What is the bottom strand of DNA called?
- 3 What happens to DNA when a mutation occurs How does this affect translation?
- 4 Where are the separated strands of DNA located?
- 5 What happens when you change one base in a DNA sequence?
- 6 Where are the lagging strands of DNA located?
What happens if there is an error in transcription?
However, errors that occur during transcription and translation can also have substantial effects on gene function by producing misfolded and malfunctioning proteins. Therefore, a single transcription error can result in many flawed proteins, whereas a translation error will disrupt only a single protein.
When referring to DNA transcription, the coding strand (or informational strand) is the DNA strand whose base sequence is identical to the base sequence of the RNA transcript produced (although with thymine replaced by uracil).
What is the consequence of a mutation a change in DNA sequence regarding transcription and translation?
Mutations that happen during Transcription and Translation. What happens if there is a mistake (mutation) in the DNA code? Possibly proteins won’t be made or are made improperly. If the mutations occur in the gametes, the offspring’s DNA will be affected positively, negatively, or neutrally.
What happens to DNA when a mutation occurs How does this affect translation?
The outcome of a frameshift mutation is complete alteration of the amino acid sequence of a protein. This alteration occurs during translation because ribosomes read the mRNA strand in terms of codons, or groups of three nucleotides.
Where are the separated strands of DNA located?
The open region containing the separated DNA strands is called the replication bubble. Imagine a replication bubble where the top strand has its 5′ end on the left and its 3′ end on its right.
What happens to each strand of DNA after replication?
The semi-conservative method suggests that each of the two parental DNA strands act as a template for new DNA to be synthesized; after replication, each double-stranded DNA includes one parental or “old” strand and one “new” strand.
What happens when you change one base in a DNA sequence?
Changing even just one nitrogen base in a sequence can alter the amino acid that is expressed by that DNA codon, which can lead to a completely different protein being expressed. These mutations can be completely harmless, potentially fatal, or somewhere in between.
Where are the lagging strands of DNA located?
Lagging Strand: Definition. A lagging strand is one of two strands of DNA found at the replication fork, or junction, in the double helix; the other strand is called the leading strand.