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Questions and Answers
What did Mendel use for his plant breeding experiments?
What did Mendel use for his plant breeding experiments?
- Tomatoes
- Carrots
- Lettuce
- Garden peas (correct)
What term did Mendel use to describe the characteristic that showed up in the F1 generation?
What term did Mendel use to describe the characteristic that showed up in the F1 generation?
- Intermediate trait
- Inherited trait
- Dominant trait (correct)
- Recessive trait
What ratio was obtained in the F2 generation in the monohybrid cross of tall plants x dwarf plants?
What ratio was obtained in the F2 generation in the monohybrid cross of tall plants x dwarf plants?
- 3:1 (correct)
- 4:1
- 1:2
- 2:1
What did Mendel study in terms of characteristics of pea plants?
What did Mendel study in terms of characteristics of pea plants?
What do alleles show during meiosis?
What do alleles show during meiosis?
What did Gregor Mendel study in the middle of the 19th century?
What did Gregor Mendel study in the middle of the 19th century?
Which generation showed a ratio of 3:1 in Mendel's monohybrid cross experiments?
Which generation showed a ratio of 3:1 in Mendel's monohybrid cross experiments?
What term did Mendel use to describe the characteristic that showed up in the F1 generation?
What term did Mendel use to describe the characteristic that showed up in the F1 generation?
How many pairs of contrasting characteristics did Mendel study?
How many pairs of contrasting characteristics did Mendel study?
What did Mendel find in the second filial generation for flower position?
What did Mendel find in the second filial generation for flower position?
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Study Notes
Mendel's Experiments
- Mendel used pea plants (Pisum sativum) for his plant breeding experiments.
- He studied the characteristics of pea plants, including stem length, seed shape, and flower position.
Key Concepts
- The term "dominant" was used to describe the characteristic that showed up in the F1 generation.
- Alleles show segregation during meiosis.
F2 Generation Ratio
- In the monohybrid cross of tall plants x dwarf plants, a ratio of 3:1 was obtained in the F2 generation.
Mendel's Work
- Gregor Mendel studied the inheritance of characteristics in pea plants in the middle of the 19th century.
- He studied 7 pairs of contrasting characteristics.
F2 Generation Findings
- In the second filial generation, Mendel found a 3:1 ratio of dominant to recessive traits for flower position.
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