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? The manual is a chromosome.
How are chromosomes and genes alike? They both contain genetic material.
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? Round
What determines a trait of an organism? the combination of its alleles
Which statement is accurate about dominant alleles? They are expressed whenever present.
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? bb
Which statement is true of all proteins? Their structure is related to their function.
What is the main benefit of genetic biodiversity? Genetic biodiversity helps populations adapt to environmental changes.
Which statement is true? Neutral mutations occur when a mutation in a DNA region results in the same sequence as the original.
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? Two lizards of the same species grow to different sizes in different-sized terrariums.