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Exams & Certifications

12th Grade Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

This STAAR EOC Prep quiz will demonstrate mastery of the mechanisms of genetics.

Questions: 10 | Attempts: 94 | Last updated: Oct 21, 2025

Sample Question
Which of the following component of DNA is described properly?

A nitrogen base creates the backbone of the double helix

Uracil gives the mRNA its energy

A 5 carbon sugar is the central component of the nucleotide

Phosphate group which gives the DNA its positive charge

The 'Biology Final Part 1' assesses understanding of basic genetic principles. Key topics include alleles, Mendelian genetics, Punnett squares, and organism traits. This quiz is essential for learners to evaluate their knowledge...

Questions: 40 | Attempts: 155 | Last updated: Aug 20, 2025

Sample Question
The different forms of a gene are called

Traits

Pollinations

Alleles

Hybrids

Genetics Trivia Quiz: Chromosomes and Cellular Reproduction

All living things have chromosomes within them, which are useful when it comes to cellular reproduction. Cells usually break apart to form new ones and in so doing the chromosomes duplicate themselves. Just how much do you know...

Questions: 51 | Attempts: 515 | Last updated: Mar 21, 2025

Sample Question
A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42). As in humans, sex chromosomes determine sex: XX in females and XY in males. What is the total number of telomeres in a rat cell in G2?

21

42

84

126

168

Genes and Heredity (Practice Mode) Rnpedia

Mark the letter of the letter of choice then click on the next button. Answer will be revealed after each question. No time limit to finish the exam. Good luck!

Questions: 20 | Attempts: 337 | Last updated: Mar 20, 2025

Sample Question
Which of the following is the mRNA start codon in most cases?

UAA

AGU

AUG

UGA

Cp Biology 2: Final Exam

This CP Biology 2: Final Exam assesses understanding of fundamental genetics, focusing on concepts like alleles, phenotypes, Mendel's laws, and genetic variation. It's designed to test knowledge on how these principles apply to...

Questions: 115 | Attempts: 134 | Last updated: May 7, 2025

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

Tt

TT

Tt

TT

Final Exam Review

This 'Final Exam Review' focuses on fundamental genetics, assessing understanding of Mendelian principles, allele representation, and genetic traits like phenotype. It's designed to enhance learners' grasp of genetic variation...

Questions: 50 | Attempts: 234 | Last updated: Mar 18, 2025

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

Tt

TT

Tt

TT

Bio Exam Practice Quiz!

It might not be as easy as you think but just try it out to see how you will do, Let's this knowledgeable quiz now!

Questions: 50 | Attempts: 311 | Last updated: Mar 21, 2025

Sample Question
Which of the following is a true statement concerning genetic variation?

It is created by the direct action of natural selection.

It arises in response to changes in the environment

It must be present in a population before natural selection can act upon the population.

It tends to be reduced by the processes involved when diploid organisms produce gametes.

A population that has a higher average heterozygosity has less genetic variation than one with a lower average

DNA Extraction Warm Up 2

Welcome to the electronic biology classroom of the 21st Century. This warm-up or bell ringer will test your background knowledge using the Wheat/Human DNA Extraction Experiment, karyotype Lessons, and karyotype...

Questions: 16 | Attempts: 214 | Last updated: Mar 18, 2025

Sample Question
After performing various DNA extraction experiments. Which sample produced a high yield of DNA?

Animal (non-human)

Human

Plant

Bacteria

Fungus

Human Karyotypes Quiz

A karyotype is a type of chromosome. Play this informative quiz and find out how well you know about it. The process of making a karyotype begins with taking a sample of cells and separating them according to their size, shape,...

Questions: 10 | Attempts: 2302 | Last updated: Aug 18, 2025

Sample Question
During mitosis, 23 pairs of human chromosomes condense and are visible with a light microscope.

True

False

DNA Extraction Warm Up 1

Welcome to the electronic biology classroom of the 21st Century. This biology warm-up or bell ringer concentrates on the extraction and observing of DNA taken from wheat germ, strawberry and human epithelial tissues. I hope...

Questions: 10 | Attempts: 527 | Last updated: Mar 22, 2025

Sample Question
How many diploid chromosomes does wheat (Triticum aestivum)have in it's nucleus during in the resting stage?

7

14

21

42

56

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