13. Mendelian Genetics
Test Crosses
13. Mendelian Genetics
Test Crosses
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- Multiple Choice
A single gene test cross is conducted to determine the genotype of a pea plant that shows the dominant phenotype for height (T = tall, t = short). If all offspring of the cross show the dominant phenotype, then the genotype of the unknown parent is _______.
2586views8rank2comments - Multiple Choice
You want to determine the pea color genotype of a pea plant with yellow peas. You conduct a test cross with your mystery pea plant. The test cross results in 50% of the offspring possessing yellow peas and 50% of the offspring possessing green peas. What is the genotype for pea color of the mystery parent?
1887views17rank - Multiple ChoiceWhat is indicated when a single-character testcross yields offspring that all have the dominant phenotype?976views
- Multiple ChoiceA gray-bodied, vestigial-winged fly is crossed with a black-bodied, normal-winged fly. The F1 progeny is testcrossed. Among the resulting offspring, __________ is a parental type, and __________ is a recombinant type.1171views1rank