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- Biology
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8th Grade Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

Genetics: Cells and Chromosomes! Trivia Quiz

Our body is made up of millions of cells, and each cell has chromosomes within it. Different chromosomes perform different tasks, and it is important to ensure that you know these chromosomes and how they form a person’s...

Questions: 25 | Attempts: 202 | Last updated: Oct 22, 2025

Sample Question
What are homologus chromosomes?

They are gametes that are formed by the same parent.

Chromosomes that code for the same traits.

Genetic material that needs to be copied before meiosis can begin.

A Basic Questions On DNA!

All cells and some viruses contain DNA and this is a nucleic acid that contains the genetic instructions for the development and function of living things. DNA profiling is especially useful for solving crimes but can also be...

Questions: 10 | Attempts: 14110 | Last updated: Oct 16, 2025

Sample Question
DNA is found in the ___ of a cell.

Nucleus

Ribosome

Mitochondria

Nucleic Acids and Protein Synthesis Quiz

What do you know about nucleic acids and protein synthesis? Are you prepared to take the nucleic acids and protein synthesis quiz that we have here made for you? Nucleic acids are known as the main information-carrying molecules...

Questions: 10 | Attempts: 8556 | Last updated: Oct 22, 2025

Sample Question
Which of the following is not a nucleic acid?

Amino acid

DNA

RNA

None of these

8th Grade Life Science Final

This '8th Grade Life Science Final' assesses key concepts in genetics and evolution, including traits, species adaptation, and cellular processes. It covers fundamental topics like DNA structure, phenotypes, and cellular...

Questions: 50 | Attempts: 2232 | Last updated: Oct 22, 2025

Sample Question
A trait that helps an organism survive and reproduce is called a(n)d. variation.

Mutation.

Selection

Adaptation.

Variation. d. variation. d. variation. d. variation. d. variation. variation

DNA, Rna, And Protein Synthesis

The objective of this quiz is to test your knowledge on DNA, RNA, and Protein Synthesis; however, this quiz will also work as a study guide seeing as the correct answers will be given after each submitted answer.

Questions: 13 | Attempts: 1824 | Last updated: Mar 21, 2025

Sample Question
A gene is a segment of DNA that islocated on a chromosome.

True

False

Monohybrid and Dihybrid Crosses

Show me that you understand how to predict the possible outcome of mono and dihybrid crosses using Punnett squares. Use the following letters for your crosses: T = tall t = short G = green seeds g = yellow...

Questions: 9 | Attempts: 3872 | Last updated: Mar 22, 2025

Sample Question
A purebred pea plant for height is crossed with a hybrid for height. The phenotypic ratio is 4:0.

True

False

Human Karyotype Warm Up 2

Welcome to the electronic biology classroom of the 21st Century. This warm-up exercise targets an activity from the science web site, Mitchell's Cosmic Adventure titled, Karyotype Studies. This warm up allows you unlimited...

Questions: 30 | Attempts: 193 | Last updated: Mar 20, 2025

Sample Question
How many total chromosomes does a normal human female karyotype display?

23

46

96

128

7.4 Human Genetics and Pedigree Charts

A pedigree chart is used in biology to show the occurrence of a certain gene or organism from one ancestor to another. It can be essential to track medical problems that have ailed members of your family. Test your...

Questions: 5 | Attempts: 575 | Last updated: Mar 21, 2025

Sample Question
What is a pedigree chart?

Chart that trace the phenotype and genotype of a family

Chart that shows the chromosomes of a family

Chart that shows different kinds of eye color

Family tree

DNA Structure Warm Up 2

Welcome to the electronic classroom frontier of the 21st century. This warm up 2 will concentrate questions on the DNA Structure and the scientists involved in the research. As "fill-in"...

Questions: 20 | Attempts: 128 | Last updated: Mar 21, 2025

Sample Question
Identify the American biologists that teamed with a British graduate student from Cambridge University in the 1950's?

Alfred Nobel

James Watson

Francis Crick

Oswald Avery

Martha Chase

Genetics Problem Test 1

Welcome to the electronic advancedbiology 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...

Questions: 30 | Attempts: 231 | Last updated: Mar 17, 2025

Sample Question
In garden peas involving smooth and rough phenotypes. A phenotypic ratio of 3:1 in the F2 generation indicates that both parents (F1) are _____ for a single trait.

Homozygous smooth

Heterozygous smooth

Homozygous wrinkle

Heterozgyous wrinkle

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