Intellectual Olympiad in Biology - 2026 ongoing

Subject: Biology
Level: XI
Category: student
Quiz questions: in English
Example question: A eukaryotic gene contains an intron with a mutation at its 5′ splice donor site. Which molecular consequence is most likely? The promoter will be permanently deleted from the chromosome, DNA replication will stop at the mutated intron, The mature mRNA may retain the intron or use an abnormal splice site, The ribosome will translate the intron before transcription begins