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Genetics Quizzes, Questions & Answers

Recent Genetics Quizzes

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: 32261 | 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

Take This Quiz Up To Chromosomal Inheritance

Questions: 10 | Attempts: 1057 | Last updated: Oct 6, 2025

Sample Question
In genetics a "wild" type is

The phenotype most commonly found in nature

The dominant allele

Small letter for recessive, captial letter for dominant

The trait found on the x chromosome

A party animal

Hereditas

Questions: 10 | Attempts: 2612 | Last updated: Mar 21, 2025

Sample Question
Sifat pial ayam yang muncul sebagai hasil dari dua gen yang berinteraksi adalah...

Ros

Biji

Pea

Walnut

Bilah

Stages Of Meiosis Trivia Quiz

Questions: 10 | Attempts: 753 | Last updated: Sep 19, 2025

Sample Question
In which phase of meiosis does crossing over happen?

Prophase II

Metaphase I

Metaphase II

Prophase I

Chapter 14 Mendelian Genetics Quiz

Questions: 10 | Attempts: 2128 | Last updated: Mar 21, 2025

Sample Question
Two pea plants heterozygous for pod color and shape (dihybrid) are crossed. Draw a punnet square to determine phenotypic ratio of offspring. The ratio will be:

3:1

9:3:3:1

15:1

12:3:1

Science Study For 9th Grade Student

Questions: 14 | Attempts: 119 | Last updated: Oct 21, 2025

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