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Questions and Answers
What is a primary focus of study in chapter 11 of biology class 12?
What is a primary focus of study in chapter 11 of biology class 12?
- Human anatomy and physiology
- Cell structure and function
- Genetic variation and heredity (correct)
- Ecological interactions among species
Which process describes the transfer of genetic information from parents to offspring?
Which process describes the transfer of genetic information from parents to offspring?
- Genetic drift
- Recombination
- Evolution
- Heredity (correct)
Which term refers to the physical expression of genetic traits?
Which term refers to the physical expression of genetic traits?
- Chromosome
- Genotype
- Allele
- Phenotype (correct)
What type of inheritance involves traits governed by multiple genes?
What type of inheritance involves traits governed by multiple genes?
Which of the following is NOT a mechanism of genetic variation?
Which of the following is NOT a mechanism of genetic variation?
Flashcards
Genetic Variation and Heredity
Genetic Variation and Heredity
Differences in DNA among individuals, and the passing of traits from parents to offspring.
Heredity
Heredity
The process where genetic information is passed from parents to their offspring, ensuring continuity of traits across generations.
Phenotype
Phenotype
The observable physical or biochemical characteristics of an organism, resulting from the interaction of its genotype with the environment.
Polygenic Inheritance
Polygenic Inheritance
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Stabilizing selection
Stabilizing selection
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Study Notes
Inheritance and Variation
- Chapter 11 of Biology class 12 focuses on inheritance and variation.
- Inheritance describes the transfer of genetic information from parents to offspring.
- Phenotype refers to the physical expression of genetic traits.
- Polygenic inheritance involves traits governed by multiple genes.
- Gene flow is NOT a mechanism of genetic variation.
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