BIO 123 PATTERNS OF GENETIC INHERITANCE QUIZ AND ANSWERS.

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BIO 123 PATTERNS OF GENETIC INHERITANCE QUIZ AND
ANSWERS




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PATTERNS OF GENETIC INHERITANCE QUIZ AND
ANSWERS


1. What are alleles?
A. genes for different traits, such as hair color and eye color
B. locations of genes on chromosomes
C. alternative forms of a gene for a single trait, such as blue eyes and brown eyes
D. recessive forms of a kind of characteristic carried by genes
E. dominant forms of a kind of characteristic carried by genes

2. A testcross occurs when an individual with the _____________ is crossed with an
individual having the ______________.
A. heterozygous dominant, homozygous recessive




m
B. homozygous dominant, heterozygous recessive




er as
C. dominant phenotype, recessive phenotype




co
D. dominant phenotype, dominant phenotype




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E. homozygous recessive, homozygous recessive




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rs e
3. This figure shows a human pedigree. Based on the information presented in this figure, what
type of disorder would this be?
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aC s
vi y re
ed d
ar stu
is
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A. due to multiple alleles
B. autosomal recessive
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C. incomplete dominance
D. codominant
E. autosomal dominant




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