Understanding Inheritance Lesson Quiz A Multiple Choice LESSON 2

Name
Date
Class
Lesson Quiz A
LESSON 2
Understanding Inheritance
Multiple Choice
Directions: On the line before each question, write the letter of the correct answer.
1. What does homozygous mean?
A. The two genes in a hybrid are dominant.
B. The two alleles in a genotype are the same.
C. The two traits in a phenotype are different.
2. What is a gene?
A. a pair of chromosomes
B. a chemical that predicts heredity
C. a piece of a chromosome with code for one trait
Matching
Directions: On the line before each definition, write the letter of the term that matches it correctly. Each term
is used only once.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Matching Set 1
3. how a trait is expressed
A. genotype
4. phenotype determined by multiple genes
B. phenotype
5. contains genetic information that controls traits
C. chromosome
6. two alleles that control the phenotype of a trait
D. polygenic inheritance
Matching Set 2
7. model that predicts the possible genotypes and
phenotypes of offspring
8. phenotype that is a blend of parents’ phenotypes
9. phenotype showing traits of both alleles
10. genotypes of genetically related family members
Genetics
E. codominance
F. incomplete
dominance
G. pedigree
H. Punnett square
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