Practice Question
In pea plants, green pod color (G) is dominant to yellow pod color (g). A cross was done between a plant with green pods and a plant with yellow pods. Of the resulting offspring, 50% had green pods and 50% had yellow pods. Which of the following were the genotypes of both parent plants?
Answer Choices:
Correct Answer:
Gg x gg
Rationale:
✍️ Green pod color (G) is dominant, and yellow (g) is recessive.
✍️ A cross between a heterozygous green pod plant (Gg) and a homozygous recessive yellow pod plant (gg) will produce:
• 50% Gg (green pods)
• 50% gg (yellow pods)
✍️ This results in a 1:1 phenotypic ratio, matching the observation that half the offspring had green pods and half had yellow.
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This question is from ATI TEAS 7 Science~2023 Exam 3 which contains 44 questions.
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Question Details
- Category: ATI TEAS
- Subcategory: Science Exam(s)
- Domain: Science~2023
- Answer Choices: 4