Section 10 - Punnett Squares (Assignment and Quiz) UPDATED ACTUAL Exam Questions and CORRECT Answers

Section 10 - Punnett Squares (Assignment
and Quiz) UPDATED ACTUAL Exam
Questions and CORRECT Answers
In peas: Round (R) is dominant over wrinkled (r). Cross a plant homozygous for round seed
shape with a plant homozygous for wrinkled seed shape.
Which of the following Punnett squares shows the cross correctly set-up? - CORRECT
ANSWER - Visualize: RR, on top of the punnett square and r r, on the side


If the cross set-up in number 1 is completed, what are the correct percentages of each genotype?
- CORRECT ANSWER - 0% RR, 100% Rr, 0% rr


If the cross set-up in number 1 is completed, what are the correct percentages of each phenotype?
- CORRECT ANSWER - 100% Round, 0% wrinkled, 0% slightly wrinkled


In peas, tall (T) is dominant over short (t) for height. Cross two pea plants heterozygous for
height. Which of the following Punnett Squares shows this cross correctly set-up? - CORRECT
ANSWER - T t, on top T t, on the side


If the cross in question 4 is completed, what are the correct percentages of each genotype? -
CORRECT ANSWER - 25% TT, 50% Tt, 25% tt


If the cross set-up in number 4 is completed, what are the correct percentages of each phenotype?
- CORRECT ANSWER - 75% tall, 0% middle height, 25% short


In peas: Green color (G) is dominant over yellow (g). Cross a plant heterozygous for green color
with a yellow plant.
Which of the following Punnett squares shows the cross correctly set-up? - CORRECT
ANSWER - G g, on Top. g g, on the side