Dihybrid Cross Worksheet

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

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

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

What goes in box 1

• AABb
• AABB
• aabb
• AaBb

Tags

NGSS.HS-LS3-2

What goes in box 2

• AABb
• AaBb
• aabb
• AaBB

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What goes in box 6

• AaBB
• AABB
• aaBB
• AAbb

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?

• 9/16
• 3/16
• 1/16
• 16/16

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Tags

NGSS.HS-LS3-2

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

Tags

NGSS.HS-LS3-1