Dihybrid Cross Quiz

What gamete possibilities could come from this parent's genotype?

• AB, AB, aB, aB
• Ab, AB, Ab, ab
• Ab, Ab, Ab, Ab
• AB, aB, ab, aB

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))

A male rabbit GGbb crossed with a female rabbit with ggBb.

How many out of 16, have grey fur and black eyes?

• 4

• 8

• 12

• 16

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))

A male rabbit GGbb crossed with a female rabbit with ggBb.

How many out of 16, have grey fur and red eyes?

• 4

• 8

• 12

• 16

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

(Grey fur (G) is dominant over white fur (g) and Black eyes (B) are dominant over red eyes(b))

A male rabbit GGbb crossed with a female rabbit with ggBb.

How many out of 16, have white fur and black eyes?

• 0

• 4

• 8

• 16

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What goes in box 1

• AABb
• AABB
• aabb
• AaBb

Tags

NGSS.HS-LS3-2

What goes in box 3

• Aabb
• AABB
• AAbb
• aaBb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How can two parents with brown eyes have a child with blue eyes?

• The parents may both have a recessive gene for blue eyes.

• The child was born during the winter

• Eye color in humans is not an inherited trait

• The child was deprived of oxygen during its birth

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?

R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds

• 9/16

• 3/16

• 1/16

• 16/16

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What genotype is missing from this Punnett Square?

• RrYy
• RRYY
• rryy
• RrYY

Tags

NGSS.HS-LS3-1