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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?
Multiple Choice
The pedigree chart shown depicts the inheritance pattern of __________.
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?
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.
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: