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Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

Book A Ch 5 Test

Questions: 15 | Attempts: 96 | Last updated: Jan 22, 2025

Sample Question
The capital in a Punnett square stands for a ___ allele

Recessive

Dominant

Sex-linked

Heterozygous

What Is Genetic Engineering?

Questions: 20 | Attempts: 1302 | Last updated: Mar 21, 2025

Sample Question
What is the definition of genetic engineering?

Seeing what color DNA a dog has

Making changes in the DNA code of living organisms

The discovery of DNA

First Semester Biology Review 2011-2012

Questions: 155 | Attempts: 164 | Last updated: Mar 21, 2025

Sample Question
An original base sequence of DNA, AAACCCGGG, changes to AAACACCGGG. This mutation is known as a(n)

Deletion

Insertion

Substitution

Omission

Le Hw4.2.9

Questions: 10 | Attempts: 756 | Last updated: Mar 21, 2025

Sample Question
A dog breeder can determine that the sudden appearance of hairlessness in one of the pubbies is a mutation if the dog

Is still hairless after 5 years

Shows no change in the hairless condition after its diet is changed

Develops other conspicuous differences from the parent

Is bred and the trait is capable of being inherited

DNA Base Pairs Quiz: Trivia Test!

Questions: 8 | Attempts: 615 | Last updated: Apr 21, 2025

Sample Question
In all organisms, the coded instructions for specifying the characteristics of the organism are directly determined by the arrangement of the:

Twenty kinds of amino acids in each protein

Twenty-three pairs of genes on each chromosome

Strands of simple sugars in certain carbohydrate molecules

Four types of molecular bases in the genes

Human Genetics Final Exam

Questions: 12 | Attempts: 1551 | Last updated: Mar 22, 2025

Sample Question
Humans have ___pairs of chromosomes

16

23

38

46

Block 1 DNA-rna Mini 1

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

Questions: 28 | Attempts: 235 | 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

Questions: 28 | Attempts: 32279 | 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

Chapter 11 Genetics Practice Quiz

Questions: 25 | Attempts: 1137 | Last updated: Mar 21, 2025

Sample Question
Dominant will always mask the recessive allele.

True

False

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