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Questions and Answers
What is the basis of the theory of the gene?
What is the basis of the theory of the gene?
- The law of independent assortment
- The segregation of chromosomes at meiosis
- The genotype consisting of genes
- The law of segregation (correct)
What is the term for a cross involving two character differences separable in inheritance?
What is the term for a cross involving two character differences separable in inheritance?
- Dihybrid cross
- Monohybrid cross (correct)
- Homozygous cross
- Heterozygous cross
What does the genotype consist of?
What does the genotype consist of?
- Homozygous dominant
- Heterozygous genes
- Many pairs of genes (correct)
- Homozygous recessive
What is the result of inbreeding F1 hybrid plants?
What is the result of inbreeding F1 hybrid plants?
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Are the segregation of seed-color characters independent of seed-shape?
Are the segregation of seed-color characters independent of seed-shape?
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Study Notes
Theory of the Gene
- The theory of the gene is based on the idea that genetic information is transmitted from one generation to the next through discrete units called genes.
Crosses Involving Character Differences
- A dihybrid cross is a cross involving two character differences that are separable in inheritance.
Genotype Composition
- The genotype consists of the complete set of genes an individual organism possesses.
Inbreeding F1 Hybrid Plants
- The result of inbreeding F1 hybrid plants is homozygous recessive offspring.
Independent Assortment of Seed Characters
- The segregation of seed-color characters is independent of seed-shape characters, meaning that these two traits are inherited independently of each other.
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