Introduction to Genetics
Science
General
6 questions
~12 mins
1 views0 downloads
About This Worksheet
A medium difficulty Science worksheet on genetics basics for grade 7 students. Includes questions on Genetics Basics, Inheritance and Traits, Genetic Variation.
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Introduction to Genetics
Subject: ScienceGrade: General
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Introduction to Genetics
Instructions: Read each question carefully. For multiple-choice questions, select the best answer. For short-answer questions, write your response clearly and concisely. You may use diagrams if needed, but ensure your answers are complete.
A
Genetics Basics
Questions about the fundamental concepts of genetics.
1.
What is the molecule that carries genetic information in living organisms?
[1 mark]ADNA
BProtein
CCarbohydrate
DLipid
2.
Define a gene in your own words.
[2 marks]B
Inheritance and Traits
Questions about how traits are inherited from parents.
1.
If a tall plant (T) is crossed with a short plant (t), what are the possible genotypes of their offspring?
[1 mark]ATT and Tt
BTT and tt
CTt and tt
DTt only
2.
Explain the difference between dominant and recessive alleles.
[2 marks]C
Genetic Variation
Questions about genetic differences within populations.
1.
Which process leads to genetic variation in a population?
[1 mark]AMutation
BMitosis
CBoth A and C
DMeiosis
2.
Describe how meiosis contributes to genetic diversity.
[2 marks]Quick Actions
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Details
- Created
- 5/10/2025
- Updated
- 12/31/2025
- Type
- worksheet