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Laurah Jurca
Laurah Jurca
(Laurel - United States)

<p>I currently serve as an ESOL Coach for my school district in Maryland. I work with both ESOL and mainstream teachers to help them improve the quality of their instruction for their English language learners. During my career, I have taught grades k-8,  ...

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________________________