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Questions and Answers
What did Gregor Mendel's work demonstrate about inheritance?
What did Gregor Mendel's work demonstrate about inheritance?
- Inheritance is influenced by environmental factors.
- Inheritance occurs through genes that maintain their structural identity. (correct)
- Inheritance is a result of blending properties of sperm and egg.
- Inheritance is determined by the type of chromosomes present.
Why do most genes come in pairs?
Why do most genes come in pairs?
- To ensure blending of genetic traits.
- To allow for gene overlap.
- Because they are aligned along pairs of chromosomes. (correct)
- To prevent mutations.
What is the exception to the rule that most genes come in pairs in mammals?
What is the exception to the rule that most genes come in pairs in mammals?
- Unpaired A and B chromosomes in male mammals.
- Unpaired X and Y chromosomes in female mammals.
- Unpaired X and Z chromosomes in male mammals.
- Unpaired X and Y chromosomes in male mammals. (correct)
What serves as a template for the synthesis of ribonucleic acid (RNA) molecules?
What serves as a template for the synthesis of ribonucleic acid (RNA) molecules?
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What determines the order of corresponding bases along an RNA molecule?
What determines the order of corresponding bases along an RNA molecule?
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What are the four bases found in DNA?
What are the four bases found in DNA?
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