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2 cards from this section. Quick, good the night before a test.
What is the difference between a dominant and recessive allele?
Think about which allele shows up in a heterozygous genotype.
Define homozygous.
Consider examples like TT or tt.
What is the expected phenotypic ratio of tall to dwarf offspring in a monohybrid cross Tt x Tt?
Remember the classic Mendelian ratios when two heterozygotes are crossed.
True or False: All traits are expressed equally in heterozygous conditions.
Consider the definition of dominance.
A plant is heterozygous for height (Tt). If self-pollinated, calculate the expected phenotypic ratio and explain the genetic outcomes.
Utilize a Punnett square for accurate predictions.
In a pea plant experiment, if the dominant trait for smooth seeds (S) is linked with the recessive trait for yellow seeds (s), propose a breeding scheme to prove dominance. What are your expected ratios?
Again, a Punnett square will visualize all potential crosses effectively.
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