Question 1: A manual contains instructions for how to build a variety of structures using a set of interlocking bricks. If this scenario is used as a model for genetic information, which statement is correct?
Answer: The manual is a chromosome
Question 2: How are chromosomes and genes alike?
Answer: They both contain genetic material
Question 3: In pea plants, the allele for round peas, R, is dominant over the allele for wrinkled peas, r. What is the phenotype of a pea plant with genotype Rr?
Answer: Round
Question 4: What determines a trait of an organism?
Answer: The combination of its alleles
Question 5: Which statement is accurate about dominant alleles?
Answer: They are expressed whenever present
Question 6: In a certain dog breed, the allele B for a black coat is dominant, and the allele b for a spotted coat is recessive. What genotypes for this dog breed would lead to a spotted phenotype?
Answer: bb
Question 7: Which statement is true of all proteins?
Answer: Their structure is related to their function
Question 8: What is the main benefit of genetic biodiversity?
Answer: Genetic biodiversity helps populations adapt to environmental changes
Question 9: Which statement is true?
Answer: Neutral mutations occur when a mutation in a DNA region results in the same sequence as the original.
Question 10: Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to have a purple flower while the other two grew white flowers. What is the most likely conclusion that can be made for the change in flower color?
Answer: Genetic factors caused the differences in flower color
Question 11: A scientist sets up terrariums in a laboratory and observes the growth of lizards in each terrarium. Which of the following observations could be used as evidence that the amount of space in an environment can affect an animal's growth?
Answer: Two lizards of the same species grow to different sizes in different-sized terrariums.
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