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3 cards from this section. Quick, good the night before a test.
What does the Law of Dominance state?
Think about how traits are expressed in plants.
What are alleles?
Remember the example of T and t.
What is the dominant trait in a cross between TT and tt?
Remember how dominant alleles work.
In Mendel’s experiments, what phenotypic ratio did he expect in a monohybrid cross?
Consider the classic ratios Mendel observed.
Suppose you cross two heterozygous pea plants (Tt). What will be the phenotypic ratios in the offspring?
Create a Punnett square to find the genetic combinations.
How would you set up a dihybrid cross between two plants, one showing round yellow seeds (RRYY) and the other wrinkled green seeds (rryy)? Describe the expected phenotypic outcomes.
Consider all combinations of traits.
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