Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

18 Questions

0 Views

Mutations in DNA and mRNA Sequences

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the effect of the mutation in example 1 on the original DNA coding sequence?

A deletion of one nucleotide

No change in the original DNA coding sequence

An insertion of one nucleotide

A substitution of one nucleotide (correct)

What is the original amino acid sequence in mutation example 1?

Determinable from the original mRNA sequence

Same as the mutated amino acid sequence

Not provided in the sequence (correct)

Different from the mutated amino acid sequence

What is the difference between the original and mutated mRNA sequences in example 2?

A deletion of three nucleotides

A substitution of one nucleotide

An insertion of three nucleotides

A substitution of three nucleotides (correct)

What is the effect of the mutation in example 2 on the original DNA coding sequence?

A substitution of three nucleotides Signup and view all the answers

What is the relationship between the original mRNA sequence and the original amino acid sequence in mutation example 1?

The original mRNA sequence codes for the original amino acid sequence Signup and view all the answers

What type of mutation is described in example 1?

Point mutation Signup and view all the answers

What is the effect of non-disjunction events during meiosis?

Result in a gamete with an extra chromosome and a gamete with one too few chromosomes Signup and view all the answers

What is aneuploidy defined as?

When an organism or cell has missing or additional chromosomes compared to the standard homologous pairs Signup and view all the answers

What is the original mRNA sequence in the example mutation?

5’ AUG CCC AAA AGA AGU CGC UAU GUG UAG 3’ Signup and view all the answers

What is the mutated mRNA sequence in the example mutation?

5’ AUG CCC TAA AGA AGU CGC UAU GUG UAG 3’ Signup and view all the answers

What occurs during non-disjunction events?

Two homologous chromosomes do not separate at anaphase I of meiosis Signup and view all the answers

What is the result of aneuploidy?

A gamete with an extra chromosome and a gamete with one too few chromosomes Signup and view all the answers

What is the primary function of DNA in living cells?

To store genetic information Signup and view all the answers

What is the term for the process by which DNA is passed from parent cell to daughter cell?

Replication Signup and view all the answers

What is the purpose of genes in a cell?

To determine the characteristics of an organism Signup and view all the answers

What is the structure of RNA?

Single-stranded Signup and view all the answers

What is the function of mRNA in the cell?

To carry genetic information from DNA to the ribosome Signup and view all the answers

What is the term for the process by which genetic information is used to synthesize proteins?

Translation Signup and view all the answers