QUESTION IMAGE
Question
in pea plants, tallness (t) is dominant to shortness (t). what are the predicted percentages of the genotypes of the offspring if a homozygous short plant is crossed with a heterozygous tall plant?
● 25 percent tt, 75 percent tt
● 25 percent tall, 75 percent short
● 50 percent tt, 50 percent tt
● 50 percent tall, 50 percent short
Step1: Determinar los genotipos de los padres
El genotipo del padre homocigoto corto es \( tt \). El genotipo del padre heterocigoto alto es \( Tt \).
Step2: Realizar el cruce
| \( T \) | \( t \) | |
|---|---|---|
| \( t \) | \( Tt \) | \( tt \) |
Step3: Calcular las proporciones
Hay dos \( Tt \) y dos \( tt \) en el cuadro de Punnett. Entonces, la proporción de \( Tt \) es \( \frac{2}{4} = 50\% \) y la proporción de \( tt \) es \( \frac{2}{4} = 50\% \).
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C. 50 percent Tt, 50 percent tt