Questions & Answers
Browse all 18 questions from the
Genetics in the Natural World study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the name of the molecule that carries genetic information in all living organisms?
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A
DNA
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B
Protein
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C
Sugar
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D
Lipid
2
What are the units of heredity that parents pass to their offspring?
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A
Cells
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B
Genes
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C
Fossils
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D
Rocks
3
Which term describes the physical appearance of an animal resulting from its genetics?
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A
Mutation
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B
Phenotype
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C
Habitat
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D
Migration
4
In sexually reproducing animals, how many parents provide genetic material to the offspring?
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A
One
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B
Two
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C
Three
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D
Four
5
What is the process by which traits are passed from parents to their young?
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A
Heredity
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B
Photosynthesis
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C
Pollination
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D
Evaporation
6
What structure inside a cell contains the DNA in plants and animals?
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A
Nucleus
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B
Leaf
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C
Root
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D
Stem
7
Which of these is an example of an inherited trait in a dog?
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A
A scar on its ear
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B
Fur color
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C
A learned trick
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D
A collar
8
What is a permanent change in the DNA sequence of an organism called?
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A
Adaptation
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B
Mutation
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C
Metamorphosis
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D
Hibernation
9
What do we call the specific version of a gene?
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A
Allele
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B
Organ
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C
Soil
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D
Water
10
Which animal species is frequently used in genetic research due to its simple genome?
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A
Fruit fly
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B
Blue whale
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C
Giraffe
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D
Elephant
11
What determines the sex of many types of reptiles, such as crocodiles, during development?
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A
Incubation temperature
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B
Diet of the mother
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C
Color of the eggs
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D
Size of the nest
12
What is the term for the complete set of genetic instructions in an organism?
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A
Genome
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B
Syllabus
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C
Catalog
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D
Recipe
13
If an organism has two identical alleles for a specific trait, it is called:
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A
Homozygous
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B
Heterozygous
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C
Complex
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D
Adaptive
14
Which substance provides the 'code' for building proteins in animals?
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A
DNA
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B
Water
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C
Sunlight
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D
Oxygen
15
What is the primary function of DNA in nature?
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A
Storing genetic instructions
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B
Providing energy to cells
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C
Filtering water
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D
Protecting skin from sun
16
Which of the following is NOT an inherited trait in birds?
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A
Beak shape
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B
Ability to sing a specific song learned from adults
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C
Feather color
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D
Presence of wings
17
What is the process of selecting animals with desirable traits for breeding called?
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A
Artificial selection
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B
Natural disaster
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C
Extinction
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D
Conservation
18
Where is the majority of a grizzly bear's genetic information located?
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A
In the nucleus of its cells
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B
In its fur
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C
In its claws
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D
In its teeth
