Quiz - Monohybrid & Dihybrid

Complete the Punnett square below.

c

b

a

bb

BB

Bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Match the following genotypes and allelles.

• Recessive Allele

• RR

• Homozygous Dominant

• dd

• Dominant Allele

• Bb

• Homozygous Recessive

• g

• Heterozygous

• G

Tags

112.34.c.6.F

Match the following

• mendelian genetics

• each parent will give one allele for every trait to their offspring

• non-mendelian genetics

• genetic crosses that do not us dominance vs recessive

• law of segregation

• genes separate independently of each other

• law of dominance

• genetics crosses that use dominance vs recessive

• law of independent assortment

• some alleles are strong, while others are weak

Tags

NGSS.HS-LS3-1

In Jessica's family gene pool, brown eyes are dominant, and blue eyes are recessive. Jessica is heterozygous for brown eyes and her husband is heterozygous for brown eyes. Complete the Punnett to show the possible genotypes for their baby.

e

f

g

d

c

a

b

bb

B (side)

B (top)

b (top)

b (side)

Bb

BB

Tags

112.34.c.6.F

Based on the results in the monohybrid punnett, what is the percent chance of having a child with blue eyes?

• 75%

• 50%

• 25%

• 0%

Tags

112.34.c.6.F

This is a Dihybrid Punnett Square. It has 16 boxes and crosses 2 traits instead of one. Use your knowledge of how to write genotypes and fill in the first row with the correct genotypes.

a

b

c

d

GGBb

GGBB

GgBB

GgBb

Tags

112.34.c.6.F

What goes in box 3

• Aabb
• AABB
• AAbb
• aaBb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Match the following

• alternate forms of a gene

• ratio

• gene combination

• allele

• physical trait

• phenotype

• comparison of 2 or more things

• genotype