Practice Law Of Segregation (4.2.2) - Principles of Inheritance and Variation

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8 questions

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6 sample questions

Question 1.
What is an allele?
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Think about how different traits appear in organisms.
Question 2.
What does homozygous mean?
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Consider example traits with the same alleles.
3Question 3.
What is the key result of Mendel's Law of Segregation?
- Alleles blend together
- Alleles segregate independently
- All offspring are identical
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Consider how traits were represented in the F2 generation.
4Question 4.
True or false: The recessive trait is always expressed in a heterozygous individual.
- True
- False
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Think about what homozygous or heterozygous means.
Question 5.
You have a pea plant with genotype Tt. What are the genotype and phenotype ratios of progeny when it is crossed with a tt plant?
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Use the Punnett Square to clarify combinations.
Question 6.
If two heterozygous plants (Tt) produce offspring, how will you calculate the probability of getting a dwarf plant?
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Remember to consider how each allele can combine.

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