Exercise
Form 5: Heterozygous Genotypes & Phenotypes
In this engaging exercise, students will explore the fascinating world of genetics by studying heterozygous genotypes and their corresponding phenotypes, using interactive examples and intriguing real-life scenarios to deepen their understanding of inheritance patterns and variation. Join us in uncovering how dominant and recessive alleles shape the traits we observe in living organisms!
Questions
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MultiChoice
What does 'heterozygous' mean?
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MultiChoice
Which of the following genotypes is heterozygous?
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MultiChoice
What is another term for a heterozygous organism?
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MultiChoice
If 'R' (round) is dominant to 'r' (wrinkled), what is the phenotype of an 'Rr' plant?
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MultiChoice
How many types of gamete alleles can a heterozygous individual (Aa) produce for trait A?
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MultiChoice
In humans, freckles (F) are dominant to no freckles (f). What is the phenotype of a person with genotype 'Ff'?
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MultiChoice
If two heterozygous parents (Aa x Aa) are crossed, what fraction of their offspring is expected to be heterozygous?
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MultiChoice
Which genotype represents a carrier for a recessive genetic condition?
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MultiChoice
If yellow seed color (Y) is dominant over green seed color (y), what is the genotype of a hybrid yellow seed plant?
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MultiChoice
In a monohybrid cross between two heterozygous parents, what is the genotypic ratio of offspring (AA : Aa : aa)?
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MultiChoice
Why is an individual with genotype 'Bb' called heterozygous?
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MultiChoice
What phenotype is displayed by an organism heterozygous for axial flowers (A, dominant) versus terminal flowers (a, recessive)?