Monohybrid Dihybrid

What is a Punnett square used for in genetics?

• Identifying the parents of offspring

• Calculating the age of offspring

• Determining the gender of offspring

• Predicting the traits of offspring

In monsters, blue hair is dominant to green hair. Which genotype(s) will produce blue hair? (Select ALL that apply)

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Tall is dominant to short. A homozygous tall plant is crossed with a short plant. What will be the phenotypes of the offspring?

• 100% tall

• 50% tall, 50% short

• 75% tall, 25% short

• 25% tall, 75% short

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?

• 9

• 2

• 3

• 6

In a dihybrid cross

• one trait is crossed.

• two traits are crossed.

• four boxes are needed for the punnett square.

• mom's alleles are dominant.

A way to predict genetic probability using two different

sets of alleles on two different chromosomes.

• Co-Dominance

• Incomplete Dominance

• Monohybrid Cross

• Dihybrid Cross

Tags

NGSS.HS-LS3-3

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

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-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What are the possible genotypes for this cross?

• TT = 25% Tt= 50% tt=25%

• all tall

• TT= 75% tt = 25%

• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Select the following options that represent a genotype.

• Rr

• Round peas

• Smooth peas

• rr