Punnett Square Word Problems

Black hair color is dominant to white hair color in mice.  Determine the phenotypic ratio for the offpring of a heterozygous black mouse and a white mouse.

• 4 Black: 0 White

• 3 Black: 1 White

• 2 Black: 2 White

• 0 Black: 4 White

In a certain species of rabbits, black coat color is dominant over brown coat color. What is the probability of producing a rabbit with brown coat color from two rabbits that are both heterozygous for black coat color?

• 0%

• 25%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

If B = brown hair and b = blonde hair, what is the probability of brown hair?

• 25%

• 50%

• 0%

• 75%

Tags

NGSS.HS-LS3-3

What percent of offspring will have the recessive trait?

• 25

• 50

• 75

• 100

Tags

NGSS.HS-LS3-1

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

What is the likelihood that the offspring will be green?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

A tall pine tree (Tt) is crossed with a tall pine tree (Tt). What is the likelihood that an offspring could be short?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.MS-LS4-4

A tall pine tree (Tt) is crossed with a tall pine tree (Tt). What is the likelihood that an offspring would be tall?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.MS-LS4-4

Round seeds are dominant (R). Wrinkled seeds are recessive (r). What is the likelihood that this offspring is round (R)?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Round seeds are dominant (R). Wrinkled seeds are recessive (r). What is the likelihood that this offspring is wrinkled (r)?

• 0%

• 25%

• 50%

• 75%