Mendel preferred true-breeding pea lines primarily because they:
1. Showed stable expression of traits over generations
2. Exhibited maximum heterozygosity
3. Required minimal pollination control
4. Produced intermediate phenotypes
Subtopic:  Mendel’s Laws of Inheritance |
 90%
Level 1: 80%+
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The characteristics of a true-breeding line include:
I. Homozygous for the trait
II. Self-fertilization produces uniform offspring 
III. Shows no variation for several generations
IV. Contains only dominant alleles
1. I, II and III only
2. I and IV only
3. II and III only
4. All of the above
Subtopic:  Monohybrid Cross: Further Understanding | Mendel’s Laws of Inheritance |
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