Based on the pedigrees of the Finnish families, what type of inheritance does lactose-intolerance have?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
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Chapter11: Genome Alterations: Mutation And Epigenetics
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Problem 5QP: Achondroplasia is a rare dominant autosomal defect resulting in dwarfism. The unaffected brother of...
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Based on the pedigrees of the Finnish
families, what type of inheritance does
lactose-intolerance have?
Autosomal dominant
O Autosomal recessive
Sex limited
O Y-linked
O X-linked recessive
Transcribed Image Text:Based on the pedigrees of the Finnish families, what type of inheritance does lactose-intolerance have? Autosomal dominant O Autosomal recessive Sex limited O Y-linked O X-linked recessive
In this activity, you will analyze some pedigrees and answer some questions to determine how the lactose
tolerance/intolerance trait is inherited. You will also analyze DNA sequences. Assume the trait assorts independently and it is
fully penetrant.
Family B
Family A
II
II
II
IV D
IV
V
V
Family C
Family D
II
III
6
10 11 12
IV
IV
V
V
O Lactose tolerant female
O Lactose tolerant male
? Unknown phenotype
Lactose intolerant female
Lactose intolerant male
Deceased
Transcribed Image Text:In this activity, you will analyze some pedigrees and answer some questions to determine how the lactose tolerance/intolerance trait is inherited. You will also analyze DNA sequences. Assume the trait assorts independently and it is fully penetrant. Family B Family A II II II IV D IV V V Family C Family D II III 6 10 11 12 IV IV V V O Lactose tolerant female O Lactose tolerant male ? Unknown phenotype Lactose intolerant female Lactose intolerant male Deceased
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