GENETICS

DIHYBRID CROSS

By Irmella Mabanag

Multiple Choice

How many letters would go above each box 1, 2, 3, and 4?

• 1 letter (ie. A)
• 2 different letter (i.e. AB)

Multiple Choice

Cross foliating these letters would give us what four combination

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

Multiple Choice

Cross foliating these letters would give us what four combination

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

Multiple Choice

Cross foliating these letters would give us what four combination

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

Multiple Choice

What goes in box 1

• AbAB
• ABAB
• abab
• AbaB

Multiple Choice

What goes in box 2

• AbAB
• aBAb
• abab
• ABaB

Multiple Choice

What goes in box 3

• abAb
• ABAB
• AbAb
• aBab

Multiple Choice

What goes in box 4

• ABAb
• ABAB
• AbAb
• aBAB

Multiple Choice

What goes in box 13

• ABab
• abab
• ABAB
• AbAb

Multiple Choice

What goes in box 15

• abab
• ABAB
• aBaB
• AbAb

Multiple Choice

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Multiple Choice

What genotype is missing from this Punnett Square?

• RrYy
• RRYY
• rryy
• RrYY

Multiple Choice

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Multiple Choice

Crossfoliating SsYy would be what?

• SY, Sy, sY, sy
• SY, SY, sy, sy
• Sy, Sy, Sy, Sy
• Sy, Sy, sY, sY

Multiple Choice

Crossfoliating YyrR would be?

• Yr, YR, yr, yR
• Yy, Rr, yy, rr
• Yr, Yr, yr, yR
• YR, YR, yr, yr