Punnett squares
Inherited & Acquired Traits
Genotypes
Phenotypes
Homozygous or Heterozygous?
Random
100

What are the potential genotypes of the offspring? 

BB and Bb 

100

Eye Color

Inherited

100

What percentages of the genotypes will be heterozygous?

100%

100

What is the dominant phenotype?

White fur

100

hh

Homozygous

100

What does the prefix "hetero" mean? 

Different 

200

What percentage of the offspring will have the dominant trait? 

75%

200

Freckles

Inherited 

200

What percentage of the offspring will be homozygous dominant? 

25% 

200

What is the dominant phenotype?

Green 

200

Ff

Heterozygous

200

Who is the father of modern genetics? 

Gregor Mendel
300

What are all of the potential genotypes? 

AA, Aa, and aa

300

Tattoos

Acquired 

300

What percentage of the offspring will be recessive? 

50% 

300

What is the dominant phenotype? 

Blue Flowers 

300

Give me a Heterozygous Genotype?

Answers will vary but it should contain one capital and one lower case letter.

300

A scientist breeds a tall plant with a short plant.  All of the offspring are short.  What can be determined? 

The short plant height is the dominant trait. 

400

What percentage of the offspring will be heterozygous?

50% 

400

Which type of trait do we have at birth?

Inherited

400

Give me a homozygous recessive genotype.

Answers may vary but it must be two lowercase letters.

400

What is the recessive phenotype? 

White Flowers 

400

Give me a Homozygous Dominant Genotype

Answers will vary but it should contain two capital letters. 

400

Give me a homozygous dominant genotype.

Answers may vary but it must be two uppercase letters.

500

Fill in the other parent's genotypes 

Dd

500

Which type of trait cannot be passed on to offspring? 

Acquired 

500

Two fireflies have hundreds offspring.  All offspring have the exact same genotype: Gg.  What genotype must the parents have for this to be possible? 

One must be GG and one must be gg

500

The shaded shapes represent the phenotype of straight hair.  Do you think that it is recessive or dominant? 

Recessive

500

Give me a Homozygous Recessive Genotype

Answers may vary but it must be two lowercase letters.

500

If a scientist breeds a black dog and a brown dog.  Which outcome would suggest that the brown fur is dominant? 

All (or most) of the offspring are brown.