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.

• Homozygous Dominant

• RR

• Recessive Allele

• Bb

• Homozygous Recessive

• G

• Dominant Allele

• g

• Heterozygous

• dd

Tags

112.34.c.6.F

Match the following

• mendelian genetics

• genetics crosses that use dominance vs recessive

• law of dominance

• genetic crosses that do not us dominance vs recessive

• law of independent assortment

• genes separate independently of each other

• non-mendelian genetics

• some alleles are strong, while others are weak

• law of segregation

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

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

b (top)

b (side)

B (side)

BB

B (top)

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

• comparison of 2 or more things

• ratio

• physical trait

• allele

• gene combination

• phenotype

• alternate forms of a gene

• genotype