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12th Grade Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

Biology Unit 4 Test 2

Questions: 21 | Attempts: 226 | Last updated: Mar 8, 2025

Sample Question
What is inside a bacteriophage?

Lipid

Protein

Carbohydrate

Nucleic acid

Biology 101 Test #4

Questions: 51 | Attempts: 348 | Last updated: Mar 22, 2025

Sample Question
Homologous chromosomes align on the metaphase plate during ______. Sister chromatids align along the metaphse plate during ________.

Metaphase II, Prophase II

Metaphase I, Metaphase II

Anaphase I, Anaphase II

Prophase II, Metaphase II

Molecular Genetics- DNA Replication Mcq Test

Questions: 20 | Attempts: 818 | Last updated: Mar 20, 2025

Sample Question
True or False: DNA synthesis occurs in a 5' to 3' direction.

True

False

Take This Simple Genetics Trivia Quiz !

Questions: 44 | Attempts: 347 | Last updated: Mar 18, 2025

Sample Question
Ribozymes catalyze which of the following reactions ?

DNA synthesis

Transcription

RNA slicing

Protein hydrolysis

Biology Chapter 10 Test

Questions: 24 | Attempts: 315 | Last updated: Mar 21, 2025

Sample Question
Each organism has a unique combination of characteristics encoded in molecules of

Protein.

Enzymes.

Carbohydrates.

DNA.

Cell Division: What Do You Know About Meiosis? Trivia Quiz

Questions: 10 | Attempts: 169 | Last updated: Oct 8, 2025

Sample Question
In cellular reproduction which of the following processes occurs the same number of times in meiosis as it does mitosis?

The cytoplasm is divided evenly between the cells.

The DNA in the chromosomes is duplicated.

The cells divide in equally sized halves.

The chromosomes align themselves at opposite ends of the cell.

3 Weeks Exam Retake (1)

Questions: 21 | Attempts: 147 | Last updated: Aug 9, 2025

Sample Question
Crossing over between non-sister chromatids during meiosis is significant in heredity. This process most likely leads to an increase in which of the following?

Genetic variation

Number of gametes.

The occurrence of polyploidy

The expression of dominant traits

Genetics - 10 Basic Questions

Questions: 10 | Attempts: 246 | 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

Questions: 16 | Attempts: 434 | 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

Questions: 28 | Attempts: 182 | 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.

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