12th Grade Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

Explore the complexities of genetic mechanisms with 'Genetics - 20 difficult questions'. This quiz assesses knowledge on DNA interactions, enzyme functions, and transcription processes, essential for advanced studies in...

Questions: 20 | Attempts: 2767 | Last updated: Sep 17, 2025

Sample Question
Klenow fragment lacks

5'→3' polymerase

3'→5' exonuclease

5'→3' exonuclease activity

None

Genetics - 10 Basic Questions

Genetics - 10 basic questions

This Genetics quiz assesses foundational knowledge in eukaryotic gene expression, DNA modifications, histone structure, and genomic characteristics. It's designed for learners to test their understanding of basic genetic...

Questions: 10 | Attempts: 120 | Last updated: Mar 21, 2025

Sample Question
In Eukaryotes, mRNA is produced by

RNA Polymerase I

RNA Polymerase II

RNA Polymerase III

None

Ultimate Quiz On DNA Replication And Mutation! Trivia Questions

Dive into the complexities of DNA replication and mutation with this trivia quiz! Test your understanding of different mutation types, their effects on protein sequences, and implications for enzyme functions. Perfect for...

Questions: 16 | Attempts: 408 | Last updated: Mar 22, 2025

Sample Question
Identify the type of mutation. Original DNA Sequence: CTC/GCA/AGA/TTT Copied DNA Sequence: CTC/GCA/ACG/ATT/T

Deletion

Insertion

Substitution

Inversion

AP Molecular Genetics Review

The 'AP Molecular Genetics Review' assesses understanding of key genetic mechanisms. It covers restriction enzymes, DNA ligase, vectors, and transcription processes, crucial for defending against viruses and manipulating genetic...

Questions: 28 | Attempts: 168 | Last updated: Jun 21, 2025

Sample Question
In nature, the purpose of restriction enzymes is to

Protect the bacterium from virus attack by not allowing the virus to attach to the cell wall.

Protect the bacterium from the DNA of other organisms the bacterium infects.

Protect the bacterium from replicating its DNA at the wrong time.

Protect the bacterium from virus attack by cutting up foreign DNA.

Unit 3 Test: Rebate

Unit 3 Test: REBATE

This Unit 3 Test titled 'REBATE' covers fundamental genetics, exploring Mendelian inheritance, dominance, and genetic variation through specific, illustrative questions.

Questions: 20 | Attempts: 72 | Last updated: Mar 21, 2025

Sample Question
A plant that is homozygous for red flowers (rr) is crossed with a plants that is homozygous for white flowers (ww). In the case of incomplete dominance, the flowers of the offspring will be ___.

Red and white

White only

Red only

Pink only

Cp Bio 2 Warm-up Quiz #5 (Fall 2014)

CP Bio 2 Warm-up Quiz #5 (Fall 2014)

This CP Bio 2 Warm-up Quiz from Fall 2014 covers key topics in genetics and cellular biology, assessing understanding of DNA\/RNA differences, cellular functions, and reproduction processes. It's designed to reinforce students'...

Questions: 15 | Attempts: 188 | Last updated: Mar 21, 2025

Sample Question
Which describes a difference between DNA and RNA?

DNA constructs proteins whereas RNA translates genetic information.

DNA makes up ribosomes whereas RNA transfers genetic information.

DNA translates genetic information whereas RNA maintains genetic information.

DNA maintains genetic information whereas RNA helps construct proteins based on genetic information.

Unit 7 Target 5: Complex Inheritance

Unit 7 Target 5: complex inheritance

Explore the complexities of genetic inheritance with Unit 7 Target 5: complex inheritance. This quiz covers various genetic traits and inheritance patterns, such as incomplete dominance, codominance, and the impact of multiple...

Questions: 6 | Attempts: 560 | Last updated: Mar 21, 2025

Sample Question
Horses born to 2 palomino (golden-coated) horses have a 25% chance of having a white coat, a 25% chance of having a chestnut (brown) coat, and a 50% chance of having a palomino coat. Which description of inheritance best explains the coat-color trait in these horses?

Palamino coat color is a recessive trait.

Palamino coat color is a dominant trait.

Coat color is an incompletely dominant trait.

Coat color is a sex-linked trait

Unit 6 Target 1: Meiosis

This quiz focuses on Meiosis, a critical biological process for genetic diversity. It assesses understanding of phases like metaphase I, the implications of nondisjunction, and the genetic basis of conditions like Down syndrome....

Questions: 19 | Attempts: 987 | Last updated: Mar 21, 2025

Sample Question
During metaphase I of meiosis, which of the following occurs?

Centromeres of replicated chromosomes line up along the cells equator.

Sister chromatids separate and move toward opposite poles of the cell.

Paired homologous chromosomes line up along the cells equator.

Homologous chromosomes separate and move toward opposite poles.

Unit 3 Target 5: Mutations

This quiz titled 'Unit 3 Target 5: Mutations' explores various aspects of DNA mutations, including their causes, types, and impacts on genetic information. It assesses understanding of gene mutations, frameshift mutations, and...

Questions: 12 | Attempts: 851 | Last updated: Feb 19, 2025

Sample Question
An error in DNA replication can cause

Mutations.

Genetic variation.

Cancer

All of the above.

Unit 3 Target 4: Translation

This quiz, titled 'Unit 3 Target 4: Translation', assesses understanding of mRNA sequences and their role in protein synthesis. It explores mutations, translation processes, and amino acid coding, crucial for students learning...

Questions: 11 | Attempts: 1139 | Last updated: Mar 20, 2025

Sample Question
Which of the following mRNA sequences codes for valine (Val), glutamic acid (Glu), and serine (Ser), respectively?

GUA-GCC-AGU

GUA-GGG-AGC

GUG-GAC-GGU

GUG-GAG-AGC

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