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29. Heredity

Patterns of Inheritance

29. Heredity

Patterns of Inheritance

Multiple Choice
Traits that display continuous phenotypic variation are usually determined by which form of inheritance?
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Multiple Choice
Which of the following phenotypes is an example of polygenic inheritance?
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Multiple Choice
The pedigree chart shown depicts the inheritance pattern of __________.
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Multiple Choice
X-linked recessive traits are expressed more frequently in males because __________.
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Multiple Choice
In dominant-recessive inheritance, if an individual is heterozygous, which phenotype will be expressed?
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Multiple Choice
What is the probability that a child will be born with a recessive trait if both parents are heterozygous for the trait?
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Textbook Question
Determine the probability of a couple having a child with a widow's peak if the conditions are as follows: The gene for widow's peak follows strict autosomal dominant-recessive inheritance. Widow's peak (W) is dominant, and no widow's peak (w) is recessive. The genotype of the mother is Ww, and the genotype of the father is ww.
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Open Question
A woman with blood type A has two children. One has type O blood and the other has type B blood. What is the genotype of the mother? What are the genotype and phenotype of the father? What is the genotype of each child?
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Multiple Choice
Extrachromosomal inheritance involves genes passed on by the mother's __________.
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Multiple Choice
A Barr body is:
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