SCMOA2

1.What does “nullisomy” refer to?

• The presence of two extra chromosomes

• The presence of two extra sets of chromosomes

• The absence of two extra chromosomes

• The absence of two extra sets of chromosomes

Which term best represents the following statement: “ Accident of meiosis that produces extra chromosome sets, derived from a single species”?

• Alloploidy

• Polyploidy

• Aneuploidy

• Autoploidy

What is the function of gene promoter?

• It codes for the protein

• It initiates transcription

• It removes introns from the mRNA

• It adds a cap to the mRNA

4. What is an exon?

• A sequence of DNA that is not involved in coding for a protein

• A non-coding region of mRNA

• A coding region of a gene that is expressed

• A section of the promoter

Which process involves the removal of introns from the pre-mRNA?

• Transcription

• Replication

• Translation

• Splicing