Page 206 - Science Course 3 (Book 1)

Mo5-L2: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each question or statement, write the letter of the correct answer

1. A Punnett square is used to predict
A. exact outcomes.
B. probable outcomes.
C. methods to reach all outcomes.

2. Blood type in humans is an example of
A. multiple alleles.
B. a sex-linked trait.
C. polygenic inheritance.

3. Which tool can be used to display genetic traits in a family tree?
A. a pedigree
B. a Punnett square
C. a genetic mutation

4. A Punnett square shows that the probability of having a recessive phenotype expressed in a
monohybrid cross is
A. 0 percent.
B. 25 percent.
C. 50 percent.
D. 75 percent.

5. Offspring that receive an I A allele and an I B allele will express which blood type?
A. B
B. A
C. O
D. AB

Mo5-L2: Lesson Review Quiz (Matching)

Direction: On the line before each definition, write the letter of the term that matches it correctly.
Each term is used only once.

6. occurs when the allele for a trait is on an X or Y A. codominance
chromosome
B. incomplete dominance
7. occurs when multiple genes determine the phenotype C. multiple alleles
of a trait
D. polygenic inheritance
8. occurs when a gene has more than two alleles E. sex-linked trait

9. occurs when an offspring’s phenotype is a combination of
its parents’ phenotypes.

10. occurs when both alleles can be independently observed
in a phenotype

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