12th Grade Genetics Quizzes , Questions & Answers

Recent Genetics Quizzes

Taking you back to Biology and learning about DNA, enzymes, chromosomes and knowing about radiations. Find out about these and more by taking this molecule of heredity test below. All the best and enjoy the quiz.

Questions: 14 | Attempts: 428 | Last updated: Mar 20, 2025

Sample Question
What did Wilkins and Franklin discover?

DNA is a helix with repeating subunits.

The sequence of bases in DNA is different for each individual.

DNA is a double helix with bases paired to each other.

The sequence of nucleotide bases, read in sets of three, codes for the sequence of a protein.

The amount of A is equal to the amount of T and the amount of C is equal to the amount of G.

Heredity and Evolution Quiz

Heredity and evolution are fundamental concepts in biology, helping us understand how traits are passed down and how life adapts over time. The Heredity and Evolution Quiz tests your knowledge of essential topics such as...

Questions: 10 | Attempts: 14721 | Last updated: Feb 19, 2025

Sample Question
Mendel observed seven pairs of contrasting characters in Pisum sativum. Which of the following is not one of them?

Tall and dwarf

Yellow and green seed colour

Terminal and axial Flower

Smooth and rough stem

De Bio Genetics Review (Not Graded)

DE Bio Genetics Review explores key concepts in genetics, including inheritance patterns, blood type genetics, and the impact of genetic traits. This non-graded quiz assesses understanding of autosomal and X-linked traits,...

Questions: 19 | Attempts: 466 | Last updated: Mar 19, 2025

Sample Question
Cystic fibrosis is an autosomal recessive genetic disorder. If one parent of a child is a carrier, has one copy of the faulty cystic fibrosis gene (Cc), and the other parent is not a carrier (genotype = CC) what is the % chance of the child having the disease?

0

25

50

75

100

Genetic Engineering, Forensics, And Biology Quiz

Explore the intricacies of genetic engineering, forensics, and biology through this quiz. Test your knowledge on DNA manipulation techniques like PCR and gel electrophoresis, understand the role of restrictive enzymes, and grasp...

Questions: 10 | Attempts: 1195 | Last updated: Jan 22, 2025

Sample Question
What is the name of the enzyme that cleaves (cuts) DNA into fragments?

Ligase

DNA synthase

Restrictive Enzymes

Lactase

Cp Biology 2 Final Exam Part A

The CP Biology Final Exam Quiz is a comprehensive assessment designed to evaluate students' understanding of key concepts covered throughout the course. It encompasses various topics, including cell biology, genetics,...

Questions: 31 | Attempts: 137 | Last updated: Feb 22, 2025

Sample Question
If a pea plant were homozygous recessive for height, how would its alleles be represented?

Tt

TT

Tt

TT

EOC Practice Test #3

EOC Practice Test #3 assesses understanding of key biological concepts including protein synthesis, photosynthesis, prokaryotic cell classification, genetics, and ecosystem dynamics. This test is designed to enhance students'...

Questions: 35 | Attempts: 511 | Last updated: Mar 21, 2025

Sample Question
Which molecule is paired with its correct role in protein synthesis?

Nucleus - forms peptide bonds

Ribosome - carries DNA instructions

MRNA - joins amino acids

TRNA - transfers amino acids

Exam 7: Inheritance Patterns

Exam 7: Inheritance Patterns explores genetic inheritance in humans and animals, focusing on dominant and recessive traits, sex-linked traits, and Mendelian laws. It assesses understanding of genotype, phenotype, and inheritance...

Questions: 36 | Attempts: 593 | Last updated: Mar 20, 2025

Sample Question
In humans, pigmented skin is dominant to non-pigmented skin (albinism). What is the genotype of an individual with albinism?

Carrier

Heterozygous

Homozygous dominant

Homozygous recessive

Genetics Problem Test 2

Welcome to the electronic biology frontier classroom of the 21st century. The fact that living things inherit traits from their parents has been used since prehistoric times to improve crop plants and animals through...

Questions: 32 | Attempts: 314 | Last updated: Mar 21, 2025

Sample Question
_____ genotypes are made of the same alleles.

Alleles

Dominant

Recessive

Heterozygous

Homozygous

Monohybrid

ChAPter 16-17 Test - AP Biology

This AP Biology quiz assesses knowledge on DNA and protein roles in genetics, covering historical experiments and discoveries from Griffith to Watson and Crick. It evaluates understanding of transformation in bacteria, genetic...

Questions: 98 | Attempts: 6075 | Last updated: Jul 7, 2026

Sample Question
For a couple of decades, biologists knew the nucleus contained DNA and proteins. The prevailing opinion was that the genetic material was proteins, and not DNA. The reason for this belief was that proteins are more complex than DNA. This is because

Proteins have a greater variety of three-dimensional forms than does DNA.

Proteins have two different levels of structural organization; DNA has four.

Proteins are made of 20 amino acids and DNA is made of four nucleotides.

Only A and C are correct.

A, B, and C are correct.

DNA, Rna, And Protein Synthesis Test A

Welcome to the 21st Century electronic biology classroom. Using flashcards "DNA, RNA, & protein synthesis" found on Mitchell's Cosmic Adventure science web site. You will need to...

Questions: 25 | Attempts: 983 | Last updated: Mar 20, 2025

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

Protein

Carbohydrate

Lipids

DNA

Enzymes

RNA

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