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Unit 6 Genetics Review Sheet
*Suggestions:
1. Make flash cards from your crossword. Study all vocabulary words.
2. Re-do this review guide multiple times.
Questions: Answer on separate paper
1. Define and give an example of each of the following:
a.
b.
c.
d.
e.
f.
Purebred genotype
Hybrid genotype
Dominant gene
Recessive gene
Genotype
Phenotype
2. What is a punnett square used for?
3. If C=curly hair, and c= straight hair, why will somebody with a Cc genotype have
curly rather than straight hair?
4. In a pedigree chart, what is shown by each of the following:
a.
b.
c.
d.
e.
f.
g.
A circle
A square
A fully shaded in circle or square
A half shaded in circle
A circle or square that isn’t shaded in.
The top of the pedigree chart
The bottom of the pedigree chart
5. Complete a punnett square cross for blood type AB x blood type OO
6. Complete a punnett square cross for Rr x Rr
7. Complete the following chart, showing genotypes and phenotypes for the blood
type genes:
Blood Type (Phenotype)
1.
A
2.
B
3.
4.
Possible Genotypes
BB or
.
OO