Genetics & Heredity: Why You Look Like Family

SheelonBiologyScienceEnglishGrades 9-12Published Aug 5, 2026

Genes, chromosomes, dominant and recessive traits, and Mendel's peas. An introduction to how characteristics pass from parents to children.

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Questions in this quiz

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Which molecule carries the instructions for building a living thing?
Multiple Choice · 20s
ADNA
BWater
CCalcium
DStarch
What shape is a DNA molecule?
Multiple Choice · 20s
AA cube
BA single ring
CA flat sheet
DA double helix
Which scientist worked out the basic rules of heredity by breeding pea plants?
Multiple Choice · 20s
ALouis Pasteur
BGregor Mendel
CCarl Linnaeus
DCharles Darwin
A trait that is masked when a dominant version is present is called recessive.True / False · 20s
How many chromosomes are in a typical human body cell?Multiple Choice · 20s
Which pair of sex chromosomes is typically found in human males?Multiple Choice · 20s
What is a section of DNA that codes for a particular trait called? (one word)Type Answer · 30s
Identical twins have the same DNA.True / False · 20s
What is a Punnett square used for?Multiple Choice · 20s
A change in the DNA sequence is called a...Multiple Choice · 20s
Which of these traits is influenced by environment as well as genes?Multiple Choice · 20s
What do we call the different versions of the same gene, such as for brown or blue eyes? (one word)Type Answer · 30s

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