Punnett square

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

A purebred organism is also known as

• heterozygous

• genotype

• phenotype

• homozygous (dominant or recessive)

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?

• 25%
• 0%
• 100%
• 50%

Which of the following is homozygous recessive?

• Tt
• tt
• TT
• T

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

What genotype would go in box 2?

• BB
• Bb
• bb

This image shows a...

• Punnett Square

• Phenotype

• Genotype

• Dominant allele

What are the possible genotypes for this cross?
(Click the picture to see it without the text)

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%

What is the probability of heterozygous offspring?

• 25%
• 50%
• 0%
• 100%