Primavera Biology B: Unit 1 Exam Questions With Complete Solutions
A plant has red flowers. In this species, a red flower color is the dominant trait over a white flower color. What can you say about this plant? correct answer: If the genotype is Rr, the phenotype will be red-flowered. Which observation led Mendel to the idea that traits were controlled by more than a single factor? correct answer: A trait that was not seen in the first generation may later reappear in the second generation. The two different X in Y individuals plays a role in increasing genetic biodiversity. correct answer: X: alleles Y: heterozygous The Punnett squares show crosses for fur color. Black (B) is dominant, and white (b) is recessive. Identify the Punnett square that shows a 1:1 ratio of homozygous recessive to heterozygous. correct answer: Read the following statement. A dihybrid cross experiment is carried out on pocket mice. The traits being observed are fur color and tail length. In the F2 generation, 54 mice are dark brown with long tails, 18 mice are dark brown with short tails, 18 mice are tan with l
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