Exercise
Form 2: Dominant Alleles & Phenotypes
In this engaging exercise, students will explore the relationship between dominant alleles and their corresponding phenotypes through hands-on activities and genetic simulations, enhancing their understanding of inheritance patterns and the impact of genetics on physical traits. Students will also analyze real-world examples to connect theory with practical applications in the field of genetics.
Questions
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MultiChoice
What characterizes a dominant allele?
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MultiChoice
How is a dominant allele usually represented in genetic notation?
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MultiChoice
If 'T' represents tall (dominant) and 't' represents short (recessive), what height is a plant with genotype 'Tt'?
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MultiChoice
Why does a heterozygous organism express the dominant trait?
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MultiChoice
If 'B' is dominant for brown eyes and 'b' is recessive for blue eyes, which genotypes result in brown eyes?
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MultiChoice
In pea plants, purple flowers (P) are dominant over white flowers (p). Which genotype produces white flowers?
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MultiChoice
An organism has the genotype 'Aa'. What allele's trait will be observed in its phenotype?
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MultiChoice
If a single copy of an allele is enough to express a trait, that allele is described as:
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MultiChoice
For smooth seed shape (S, dominant) versus wrinkled seed shape (s, recessive), which plants will have smooth seeds?
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MultiChoice
What letter combination represents a homozygous dominant genotype for plant height (T)?
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MultiChoice
If black fur (F) is dominant to white fur (f) in guinea pigs, what phenotype does FF exhibit?
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MultiChoice
Can a recessive allele be expressed when a dominant allele is present in a simple Mendelian trait?