Introduction to Genetics in Biology
Science
General
8 questions
~16 mins
1 views0 downloads
About This Worksheet
A medium difficulty Science worksheet on genetics basics for grade 7 students. Includes questions on Genetics Basics, Genetic Inheritance, Genetic Variation and Mutations.
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Introduction to Genetics in Biology
Subject: ScienceGrade: General
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Introduction to Genetics in Biology
Instructions: Read each question carefully and select or write your answer in the space provided. For multiple choice questions, circle the correct option. For short answer questions, write your response clearly and concisely.
A
Genetics Basics
Questions about the fundamental concepts of genetics.
1.
What molecule carries the genetic instructions for living organisms?
[1 mark]ADNA
BProtein
CCarbohydrate
DLipid
2.
Define a gene in your own words.
[2 marks]B
Genetic Inheritance
Questions about how traits are inherited from parents.
1.
In humans, brown eye color is dominant over blue eye color. If a heterozygous brown-eyed parent mates with a blue-eyed parent, what is the probability that their child will have blue eyes?
[1 mark]A50%
B25%
C75%
D100%
2.
Explain the difference between genotype and phenotype.
[2 marks]C
Genetic Variation and Mutations
Questions about genetic diversity and mutations.
1.
Which of the following is a change in the DNA sequence that can lead to genetic variation?
[1 mark]ACell division
BProtein synthesis
CNatural selection
DGene mutation
2.
Describe one way mutations can affect an organism.
[2 marks]D
Genetics and Society
Questions about the applications and implications of genetics.
1.
What is genetic engineering?
[2 marks]2.
Which technology is commonly used to analyze an organism's DNA?
[1 mark]AMicroscope
BSpectrophotometer
CPCR (Polymerase Chain Reaction)
DElectrophoresis
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Details
- Created
- 5/10/2025
- Updated
- 12/31/2025
- Type
- worksheet