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11th Grade Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

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: 308 | 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

Explore the genetic and hormonal aspects of reproductive health in this quiz titled 'Block 7 Repro genetics MCQ's prt 1'. Assess your understanding of genetic mutations affecting reproductive hormones, conditions like...

Questions: 16 | Attempts: 435 | Last updated: Mar 22, 2025

Sample Question
A 25-year-old female comes to your OB/GYN practice at a highly respected medical center noted for it’s involvement in sequencing the human genome. Her primary complaint is amenorrhea. Since you have a keen interest in genetic bases for reproductive dysfunction, you obtain tissue from this young female and have the laboratory perform a gene scan. The result of this genetic analysis reveals a point mutation in the gene encoding for protein kinase A in theca and granulosa cells. Based upon these findings, what is an appropriate finding associated with her amenorrhea?

Over-expression of luteinizing hormone (LH) and follicle stimulating hormone (FSH).

Under-expression of gonadotropin releasing hormone (GnRH) by the paraventricular nucleus of the hypothalamus.

Over-expression of oxytocin by supraoptic neurons (SON) of the hypothalamus.

Over-expression of aromatase by granulosa cells of the ovary.

Over-expression of cholesterol side chain cleaving enzyme (also known as desmolase) by mitochondria of theca and granulosa cells of the ovary.

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: 204 | 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: 2206 | 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: 520 | 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

Meiosis I And II: Trivia Quiz! Test

Dive into the complex world of cell division with the 'Meiosis I and II: Trivia Quiz!' Test your understanding of chromosomes, sister chromatids, and the phases of meiosis. This quiz is designed to assess and enhance your...

Questions: 20 | Attempts: 2143 | Last updated: Oct 8, 2025

Sample Question
Which of the following best describes this diagram?

Chromosome

Chromatin

Sister chromatid

Homolog

Duplicated Chromosome

Human Genetics Final Exam

It’s time for your finals! That’s right, and it’s time to see if all that studying has been worth it or if you should’ve spent more time with your nose in a book! Never fear, because today we’ll be...

Questions: 12 | Attempts: 1540 | Last updated: Mar 22, 2025

Sample Question
Humans have ___pairs of chromosomes

16

23

38

46

Block 1 DNA-rna Mini 1

This quiz, titled 'Block 1 DNA-RNA mini 1,' assesses understanding of gene expression, DNA structure, and nucleosome function. It is designed for learners to evaluate critical concepts in genetics and molecular biology, focusing...

Questions: 27 | Attempts: 659 | Last updated: Mar 22, 2025

Sample Question
A 3 y.o. patient with delayed mental acuity is shown to have an enzyme deficiency of Histone Acetyltransferase (HAT) activity. What is the most likely outcome of this patient's deficiency, at the level of gene expression?

Ubiquitination of histones H3 and H4 and increased overall transcription

Fragmentation of poorly protected chromosomal DNA and reduced transcription

Activation of histone H3 and H4 gene expression

Reduced transcription rates because nucleosomes occupy promoters

Uncoupling of transcription and translation in neurons

Block 1 Pt 2 Pedigree Genetics Dr Larsen

This quiz titled 'Block 1 pt 2 Pedigree genetics Dr Larsen' assesses understanding of X-linked recessive traits and autosomal recessive inheritance through pedigree analysis. It focuses on calculating probabilities of genetic...

Questions: 28 | Attempts: 232 | Last updated: Mar 21, 2025

Sample Question
II3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an X‑linked recessive trait. What is the risk of hemophilia for her children?

1 in 4 for a son, close to zero for a daughter

1 in 2 both for sons and daughters

1 in 2 for a son and 1 in 4 for a daughter

1 in 2 for a son, close to zero for a daughter

1 in 4 both for sons and daughters

Pedigree Quiz: Test Your Knowledge About The Pedigree Diagram

Think you are a Biology buff? Do you want to test your genetic knowledge? This quiz is based on the pedigree diagram that represents biological relationships between an organism and its ancestors. Ever wondered how much you...

Questions: 28 | Attempts: 32083 | Last updated: Feb 21, 2025

Sample Question
II-3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an X‑linked recessive trait. What is the risk of hemophilia for her children?

1 in 4 for a son, close to zero for a daughter

1 in 2 both for sons and daughters

1 in 2 for a son and 1 in 4 for a daughter

1 in 2 for a son, close to zero for a daughter.

1 in 4 both for sons and daughters

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