Advanced Genetics in Biology
Science
General
8 questions
~16 mins
1 views0 downloads
About This Worksheet
A challenging difficulty Science worksheet on genetic inheritance patterns for grade 13 students. Includes questions on Genetic Inheritance Patterns, Genetic Variations and Mutations, Gene Expression and Regulation.
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Advanced Genetics in Biology
Subject: ScienceGrade: General
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Advanced Genetics in Biology
Instructions: Answer all questions carefully. For multiple-choice questions, select the most appropriate option. For short-answer questions, provide concise, accurate responses. Ensure clarity and precision in your answers.
A
Genetic Inheritance Patterns
Questions about inheritance mechanisms and allele interactions.
1.
In a dihybrid cross involving two heterozygous traits, what is the expected phenotypic ratio in the F2 generation?
[2 marks]A1:2:1
B3:1
C1:1:1:1
D9:3:3:1
2.
Define codominance and provide an example involving human blood groups.
[3 marks]B
Genetic Variations and Mutations
Questions about sources of genetic diversity and mutation types.
1.
Which of the following mutations involves a change in a single nucleotide?
[2 marks]AFrame-shift mutation
BPoint mutation
CChromosomal deletion
DDuplication
2.
Explain the role of mutations in evolution and genetic diversity.
[3 marks]C
Gene Expression and Regulation
Questions about how genes are turned on and off.
1.
What is the function of the lac operon in bacteria?
[2 marks]ATo synthesize amino acids
BTo replicate DNA
CTo regulate lactose metabolism
DTo control cell division
2.
Describe how epigenetic modifications can influence gene expression.
[3 marks]D
Population Genetics and Evolution
Questions about genetic variation within populations and evolutionary mechanisms.
1.
Which Hardy-Weinberg principle condition is violated when a small population experiences genetic drift?
[2 marks]ALarge population size
BRandom mating
CSmall population size
DNo mutations
2.
Explain how gene flow can affect genetic variation in populations.
[3 marks]Quick Actions
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Details
- Created
- 5/10/2025
- Updated
- 12/31/2025
- Type
- worksheet