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- 1. Multiple Choice
A tall plant (Tt) is crossed with a short plant (tt). What is the phenotype of the offspring?75% tall; 25% short25% tall; 75% short50% tall; 50% short100% tall - 2. Multiple Choice
Two heterozygous red flowers (white flowers are recessive) are crossed. What are the gentoypes and phenotypes of the offspring?
75% homozygous dominant; 25% heterozygous
50% homozygous dominant; 50% heterozygous
25% homozygous dominant; 25% homozygous recessive; 50% heterozygous
- 3. Multiple ChoiceTwo heterozygous red flowers (white flowers are recessive) are crossed. What is the phenotype of the offspring?50% red; 50% white75% white; 25% red25% red; 25% pink; 50% white75% red; 25% white
- 4. Multiple ChoiceA homozygous tall plant (TT) is crossed with a heterozygous tall plant (Tt) (short is the recessive phenotype). What are the genotypes and phenotypes of the offspring?100% homozygous dominant; 100% tall50% homozygous dominant; 50% heterozygous and 100% tall25% heterozygous; 75% homozygous dominant and 100% tall
- 5. Multiple ChoiceA heterozygous white rabbit is crossed with a homozygous black rabbit. List the parent genotypes; draw and fill and Punnett square, and then list the offspring genotypes and phenotypes.genotype-25% heterozygous; 75% homozygous recessive and phenotype-50% white and 50% blackgenotype- 50% heterozygous; 50% homozygous recessive and phenotype- 50% white and 50% black
- 6. Multiple Choice
A tall plant (Tt) is crossed with a short plant (tt). What are the genotypes and phenotypes of the offspring?
25% heterozygous; 75% homozygous
100% homozygous dominant
100% heterozygous
50% heterozygous; 50% homozygous recessive
- 7. Multiple ChoiceA white flower (rr) is crossed with a white flower (rr). What is the genotype of the offspring?100% homozygous dominant100% heterozygous dominant100% homozygous recessive100% heterozygous recessive
- 8. Multiple ChoiceA white flower (rr) is crossed with a white flower (rr). What is the phenotype of the offspring?100% white75% white; 25% red75% red; 25% white100% red
- 9. Multiple ChoiceA black chicken (BB) is crossed with a black chicken (BB). What is the genotype and phenotype of the offspring?100% heterozygous; 50% black100% homozygous dominant; 100% black
- 10. Multiple ChoiceA red flower (Rr) is crossed with a white flower (rr). What is the genotype of the offspring?50% heterozygous; 50% homozygous dominant100% homozygous dominant100% homozygous recessive50% heterozygous; 50% homozygous recessive
- 11. Multiple ChoiceA homozygous dominant brown mouse (BB) is crossed with a heterozygous brown mouse (tan is the recessive color). List the offspring genotype and phenotype.50% homozygous dominant; 50% heterozygous and 100% tan25% homozygous dominant; 75% heterozygous; 100% brown50% homozygous dominant; 50% heterozygous and 100% brown75% homozygous dominant; 25% heterozygous and 100% tan
- 12. Multiple ChoiceA green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring. (Be sure to remember that the capital letter is dominant).50% heterozygous and 25% homozygous recessive50% heterozygous and 50% homozygous recessive100% homozygous recessive25% heterozygous and 50% homozygous
- 13. Multiple ChoiceA tall plant (TT) is crossed with a tall plant (Tt). What is the phenotype of the offspring?50% homozygous dominant; 50% heterozygous; 100% tall100% homozygous dominant; 100% tall25% homozygous dominant; 75% heterozygous; 100% short50% homozygous dominant; 50% heterozygous; 100% short
- 14. Multiple Choice
Two heterozygous white (brown fur is recessive) rabbits are crossed. What is the offspring genotypes and phenotypes?
25% homozygous dominant; 25% homozygous recessive; 50% heterozygous
50% homozygous dominant; 50% heterozygous
25% homozygous dominant; 75% homozygous recessive
- 15. Multiple ChoiceTwo heterozygous white(brown fur is recessive) rabbits are crossed. What is the phenotype of the offspring?75% white; 25% brown25% white; 75 % brown
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