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Laura Amatulli
Laura Amatulli
(Rochester Hills - United States)

<p>Teaching 8th grade in a middle school in suburban Detroit I have strong interests in Earth Science and leadership. &nbsp;I &nbsp;have been a teacher consultant for our local National Writing Project site, Meadow Brook Writing Project, which keeps me  ...

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________________________