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Jessika Richter
Jessika Richter
(Lund - Sweden)

The short and sweet: I have been a passionate teacher since 2001.  I first worked with the National Park Service in Washington (state), then moved to Australia where I completed my DipEd at the University of Melbourne and then taught at Hailebury  ...

Worksheet: Dominant, Recessive, Homozygous, Heterozygous

Dominant / Recessive / Homozygous / Heterozygous

Define and write an example of each of the following:

GENE:

 

ALLELE:

 

DOMINANT:

 

RECESSIVE:

 

HOMOZYGOUS:

 

HETEROZYGOUS:

 

Use the following information to answer the questions that follow

 

TRAIT

DOMINANT ALLELE

RECESSIVE ALLELE

Height

Tall (T)

Short (t)

Eye Color

Brown (B)

Pink (b)

Hair Color

Red (R)

Blonde (r)

 

1.    Write the genotype for a homozygous tall person ___________________________________

2.    Write the genotype for a heterozygous red-haired person _______________________________

3.    Write all the possible genotypes for a brown-eyed person_________________________________

4.    Write the genotype for a pink-eyed person _____________________________________________

5.    Write the genotype for a homozygous brown-eyed, tall person _____________________________

6.    Write the genotype for a person that is heterozygous hair and eye color ___________________

7.    Write the genotype for a person that is blonde, pink-eyed, and short________________________