Questions & Answers
Browse all 25 questions from the
Human Genetics and Health Genealogy study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What are the basic units of heredity that are passed from parents to their children?
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A
Cells
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B
Genes
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C
Tissues
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D
Organs
2
Which molecule carries the genetic instructions for the development and function of living things?
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A
DNA
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B
Water
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C
Protein
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D
Sugar
3
How many chromosomes do humans typically inherit from each biological parent?
4
What substance in your body determines physical characteristics like eye color and hair texture?
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A
Blood
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B
DNA
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C
Bone
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D
Muscle
5
Which of these is a health condition that can be passed down through family genes?
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A
Sunburn
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B
Common Cold
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C
Cystic Fibrosis
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D
Broken Bone
6
Where is the majority of a human cell's DNA located?
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A
Nucleus
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B
Cell wall
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C
Cytoplasm
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D
Ribosome
7
What is the term for a permanent change in the DNA sequence that makes up a gene?
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A
Mutation
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B
Evolution
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C
Infection
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D
Digestion
8
Which blood-related condition can be inherited from parents?
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A
Sickle cell anemia
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B
Dehydration
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C
Anemia from iron deficiency
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D
Motion sickness
9
What is the common term for the family history of health conditions used by doctors to assess risk?
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A
Medical pedigree
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B
Family health history
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C
Social chart
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D
Doctor notes
10
Humans typically have how many total chromosomes in each cell?
11
Which organ system is primarily responsible for passing genetic information to the next generation?
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A
Reproductive system
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B
Digestive system
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C
Skeletal system
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D
Nervous system
12
Inherited traits that are 'recessive' typically require how many copies of the gene to be expressed?
13
What is the shape of a DNA molecule?
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A
Double helix
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B
Square prism
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C
Single sphere
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D
Flat circle
14
Which of these is a trait often influenced by genetics?
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A
Height
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B
Favorite color
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C
Language spoken
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D
Political view
15
What is the study of how traits are passed from parents to offspring called?
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A
Genetics
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B
History
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C
Chemistry
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D
Physics
16
Which pair of sex chromosomes typically indicates a biological male?
17
Which pair of sex chromosomes typically indicates a biological female?
18
What determines the specific sequence of amino acids in a protein?
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A
DNA sequence
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B
Water levels
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C
Skin color
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D
Body weight
19
Which of these can affect how your genes are expressed?
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A
Environmental factors
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B
Writing a letter
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C
Wearing a hat
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D
Walking fast
20
What is a 'carrier' in the context of genetics?
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A
A person who has the gene but no symptoms
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B
A person who has a cold
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C
A person who carries heavy boxes
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D
A person who has no genetic risk
21
Genes provide the instructions for the body to build which essential molecules?
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A
Proteins
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B
Fats
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C
Carbohydrates
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D
Vitamins
22
Are acquired skills, like playing an instrument, passed directly through DNA to offspring?
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A
Yes, always
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B
Sometimes
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C
No, they are learned
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D
Only in adulthood
23
What is the biological process called where genetic material is passed to the next generation?
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A
Inheritance
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B
Digestion
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C
Excretion
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D
Respiration
24
Which type of cell does NOT contain a full set of human DNA?
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A
Red blood cell
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B
Skin cell
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C
Muscle cell
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D
Liver cell
25
What do scientists call the complete set of genetic material in an organism?
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A
Genome
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B
Organism
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C
Population
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D
Species
