Multiple Choice
Which of the following genomic changes are most likely to cause pseudogenes?
4. DNA, Chromosomes, and Genomes
Evolution of the Genome
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Protein isoforms are created through which process?
A
Point Mutations
B
Alternative Splicing
C
Exon Shuffling
D
Simple Sequence Repeats
Verified step by step guidance1
Understand the concept of protein isoforms: Protein isoforms are different forms of proteins that arise from the same gene. They can have different functions or properties.
Learn about alternative splicing: This is a process during gene expression that allows a single gene to code for multiple proteins. In alternative splicing, different combinations of exons are joined together to produce different mRNA transcripts.
Recognize that point mutations involve changes in a single nucleotide base pair in DNA, which can lead to a different protein but not typically to multiple isoforms from the same gene.
Understand exon shuffling: This is a process that can create new genes by rearranging exons, but it is not the primary mechanism for creating protein isoforms.
Identify that simple sequence repeats are repetitive sequences in DNA that do not typically lead to the creation of protein isoforms. Therefore, the correct process for creating protein isoforms is alternative splicing.
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