Multiple Choice
In Mendel's classic pea plant experiments, which generation was allowed to self-pollinate to produce the F2 generation?
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2. Mendel's Laws of Inheritance
Mendel's Experiments and Laws
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In Mendel's experiments with pea plants, what did he observe about the traits of the offspring in the F1 generation compared to the parental (P) generation?
A
Each offspring in the F1 generation displayed both parental traits equally.
B
All offspring in the F1 generation displayed only one of the parental traits.
C
The traits of the offspring in the F1 generation were completely different from both parents.
D
The offspring in the F1 generation showed a blend of both parental traits.
Verified step by step guidance1
Recall Mendel's experimental design where he crossed two true-breeding (homozygous) pea plants with contrasting traits, such as tall vs. short plants.
Understand that the parental generation (P) consists of plants that are homozygous for a particular trait, meaning they have two identical alleles for that trait.
Recognize that the F1 generation results from crossing these P plants, so each F1 offspring inherits one allele from each parent, making them heterozygous.
Recall Mendel's observation that in the F1 generation, only one of the parental traits was visible (dominant), while the other trait (recessive) was masked and not observed in the phenotype.
Conclude that the F1 offspring display the dominant trait exclusively, rather than a blend or equal expression of both parental traits.
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