Science Homework Help
Grossmont College Use a Punnett Square to Predict the Offspring Questions
answer the following:
In tomatoes, red fruit color is dominant to yellow. Suppose a tomato plant homozygous for red is crossed with one homozygous for yellow. Assume there is no incomplete dominance. Determine the number of phenotypes and genotypes of
the F1 offspring
- the offspring of a cross of the F1 back to the red parent
the offspring of the F1 back to the yellow parent
Use a Punnett square to predict the offspring in a cross between a dwarf pea plant (homozygous recessive) and a tall pea plant (heterozygous). What is the phenotypic ratio of the offspring?
Use a Punnett square to predict the offspring in a cross between a tall pea plant (heterozygous) and a tall pea plant (heterozygous). What is the genotypic ratio of the offspring?
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