Principles of Inheritance and Variation
Bihar Board · Class 12 · Biology
Flashcards for Principles of Inheritance and Variation — Bihar Board Class 12 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
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Get startedWhat is inheritance and how does it differ from variation?
Answer
Inheritance is the process by which characters are passed from parents to offspring; it is the basis of heredity. Variation is the degree by which progeny differ from their parents. While inheritance …
What is inheritance and how does it differ from variation?
Answer
Inheritance is the process by which characters are passed from parents to offspring; it is the basis of heredity. Variation is the degree by which progeny differ from their parents. While inheritance …
Define genes and alleles. How are they related?
Answer
Genes are units of inheritance that contain information required to express a particular trait. Alleles are different forms of the same gene that code for contrasting traits (e.g., T for tall, t for d…
Define genes and alleles. How are they related?
Answer
Genes are units of inheritance that contain information required to express a particular trait. Alleles are different forms of the same gene that code for contrasting traits (e.g., T for tall, t for d…
What is the difference between genotype and phenotype? Give an example.
Answer
Genotype is the genetic makeup of an organism (e.g., TT, Tt, tt). Phenotype is the physical expression of traits (e.g., tall or dwarf). Example: A plant with genotype Tt shows tall phenotype because T…
What is the difference between genotype and phenotype? Give an example.
Answer
Genotype is the genetic makeup of an organism (e.g., TT, Tt, tt). Phenotype is the physical expression of traits (e.g., tall or dwarf). Example: A plant with genotype Tt shows tall phenotype because T…
State Mendel's Law of Dominance.
Answer
Law of Dominance states that: (i) Characters are controlled by discrete units called factors (genes), (ii) Factors occur in pairs, (iii) In a dissimilar pair of factors, one member dominates (dominant…
State Mendel's Law of Dominance.
Answer
Law of Dominance states that: (i) Characters are controlled by discrete units called factors (genes), (ii) Factors occur in pairs, (iii) In a dissimilar pair of factors, one member dominates (dominant…
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