Genetic Variation Worksheet
Explore the fundamentals of genetic variation, including DNA, genes, alleles, and the processes that lead to diversity in populations.
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Genetic Variation Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. What is the primary source of genetic variation in a population?
Identical twins
Asexual reproduction
Mutations and sexual reproduction
Cloning
2. Which of the following best describes an allele?
A segment of RNA
A different form of a gene
A type of protein
The entire genetic code of an organism
3. The passing of traits from parents to offspring is called .
4. Genetic information is stored in a molecule called , which has a double helix structure.
5. A change in the DNA sequence is known as a .
6. All mutations are harmful to an organism.
True
False
7. Sexual reproduction increases genetic variation among offspring.
True
False
8. Explain how genetic variation is beneficial for a species.
9. Describe the difference between a gene and an allele.
Use the words below to complete the sentences.
10. The observable physical properties of an organism are its .
11. The genetic makeup of an organism is its .
12. is the process of cell division that produces gametes with half the number of chromosomes.