Practice Principles Of Inheritance And Variation (4) - Principles of Inheritance and Variation

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8 questions

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6 sample questions

Question 1.
What organism did Mendel use in his experiments?
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Think of the plant that has easy observable traits.
Question 2.
Define dominant and recessive traits.
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Which trait would show up when combined?
3Question 3.
Which of the following describes Mendel's Law of Dominance?
- Both alleles are expressed
- Only one allele is expressed
- Neither allele is expressed
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Consider which trait you would see in the plant.
4Question 4.
True or False: Genetic disorders cannot be inherited.
- True
- False
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Recall some disorders mentioned in class.
Question 5.
A researcher crosses two pea plants, one homozygous dominant for tallness (TT) and one homozygous recessive (tt). What are the expected genotypic and phenotypic ratios in the F1 generation?
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Think about what traits the homozygous plants contribute.
Question 6.
If a couple both carry the allele for cystic fibrosis (recessive), what is the probability that their child will have the disorder?
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Use a Punnett square to visualize the crosses.

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