Download Understanding Inheritance Lesson Quiz B Completion LESSON 2

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Name
Date
Class
Lesson Quiz B
LESSON 2
Understanding Inheritance
Completion
Directions: On each line, write the term that correctly completes each sentence.
1. The alleles that control how a trait is expressed are its
2. The actual expression of a trait is its
3.
.
.
occurs when multiple genes determine the phenotype
of a trait.
4. A(n)
is a model that is used to predict the possible
genotypes and phenotypes of offspring.
5. In
6.
, both alleles can be observed in a phenotype.
occurs when the phenotype is a blend of the parents’
phenotypes.
7. A(n)
shows the phenotypes of genetically related
family members.
8.
are threadlike structures in a cell’s nucleus that
contain the genetic information that controls traits.
Directions: Respond to each statement on the lines provided.
9. Identify an example of a homozygous genotype and explain what that term means.
10. Compare and contrast a chromosome and a gene.
44
Genetics
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Short Answer
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