Punnett Square Practice

Match the following the percentages for Punnett Squares

• Percentage: 25%

  Ratio: 1:4

  Fraction: 1/4

• 
• Percentage: 50%

  Ratio: 2:4 (1:2)

• 
• Percentage: 75%

  Ratio: 3:4

  Fraction: 3/4

• 
• Percentage: 100%

  Ratio: 4:4

  Fraction: 4/4

• 

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Match the following about blood type genotypes

• AO

• heterozygous A blood type

• BB

• homozygous B blood type

• AB

• homozygous A blood type

• AA

• codominance

• OO

• Universal Donor homozygous recessive

Click on all the examples that are nonmendelian genetics

• 
• 
• 
• 

True or False: All genotype and phenotype percentages will be the same.

• true

• false

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4

Black (B) is dominant over white (b.) What is the percentage of the genotype? BB ​ (a)   Bb ​ (b)   bb​ (c)  

• 25%
• 50%
• 100%
• 75%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Black (B) is dominant over white (b.) What is the percentage of the phenotype? Black​ ​ (a)   White ​ (b)   ​

• 25%
• 50%
• 100%
• 75%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

This Punnett Square represents an INCOMPLETE dominance gene. Black (B) and White (W.) What is the phenotype of BW?

• Black

• White

• Black and White

• Gray

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

This Punnett Square represents an INCOMPLETE dominance gene. Black (B) and White (W.) What is the percentage are black?

• 100%

• 75%

• 50%

• 25%

This Punnett Square is a codominance cross. Match the phenotype to the genotype.

• Yellow

• YY

• Blue

• BY

• Blue and Yellow

• BB

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

This is a codominance Punnett Square. What is the probability that it will be blue and yellow?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1