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15 QuestionsShow answers
Question 1
SURVEY
60 seconds
Q. A 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).
answer choices
50% heterozygous and 25% homozygous recessive
50% heterozygous and 50% homozygous recessive
100% homozygous recessive
25% heterozygous and 50% homozygous
Question 2
SURVEY
60 seconds
Q. A tall plant (TT) is crossed with a tall plant (Tt). What is the phenotype of the offspring?
25% homozygous dominant; 75% heterozygous; 100% short
50% homozygous dominant; 50% heterozygous; 100% short
Question 3
SURVEY
60 seconds
Q. A tall plant (Tt) is crossed with a short plant (tt). What is the genotype of the offspring?
answer choices
25% heterozygous; 75% homozygous
100% homozygous dominant
100% heterozygous
50% heterozygous; 50% homozygous dominant
Question 4
SURVEY
60 seconds
Q. A tall plant (Tt) is crossed with a short plant (tt). What is the phenotype of the offspring?
answer choices
75% tall; 25% short
25% tall; 75% short
50% tall; 50% short
100% tall
Question 5
SURVEY
120 seconds
Q. A white flower (rr) is crossed with a white flower (rr). What is the genotype of the offspring? Draw a Punnett square and answer the question.
answer choices
100% homozygous dominant
100% heterozygous dominant
100% homozygous recessive
100% heterozygous recessive
Question 6
SURVEY
120 seconds
Q. A white flower (rr) is crossed with a white flower (rr). What is the phenotype of the offspring? Draw a Punnett square and answer the question.
answer choices
100% white
75% white; 25% red
75% red; 25% white
100% red
Question 7
SURVEY
120 seconds
Q. A black chicken (BB) is crossed with a black chicken (BB). What is the genotype and phenotype of the offspring? Draw a Punnet square and naswer this question.
answer choices
100% heterozygous; 50% black
100% homozygous dominant; 100% black
Question 8
SURVEY
120 seconds
Q. A red flower (Rd) is crossed with a white flower (rr). What is the genotype of the offspring? Draw a Punnett square and answer this question.
answer choices
50% heterozygous; 50% homozygous dominant
100% homozygous dominant
100% homozygous recessive
50% heterozygous; 50% homozygous recessive
Question 9
SURVEY
60 seconds
Q. A homozygous dominant brown mouse (BB) is crossed with a heterozygous brown mouse (tan is the recessive color). List the offspring genotype and phenotype.
answer choices
50% homozygous dominant; 50% heterozygous and 100% tan
25% homozygous dominant; 75% heterozygous; 100% brown
50% homozygous dominant; 50% heterozygous and 100% brown
75% homozygous dominant; 25% heterozygous and 100% tan
Question 10
SURVEY
60 seconds
Q. Two heterozygous white (brown fur is recessive) rabbits are crossed. What is their genotype?
Q. Two heterozygous red flowers (white flowers are recessive) are crossed. What is the phenotype of the offspring?
answer choices
50% red; 50% white
75% white; 25% red
25% red; 25% pink; 50% white
75% red; 25% white
Question 14
SURVEY
60 seconds
Q. A 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?
answer choices
100% homozygous dominant; 100% tall
50% homozygous dominant; 50% heterozygous and 100% tall
25% heterozygous; 75% homozygous dominant and 100% tall
Question 15
SURVEY
120 seconds
Q. A 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.
answer choices
genotype-25% heterozygous; 75% homozygous recessive and phenotype-50% white and 50% black
genotype- 50% heterozygous; 50% homozygous recessive and phenotype- 50% white and 50% black