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A chart of an individual's chromosome pair is called a karyotype. Analysis of a karyotype can reveal which of the following?
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
Which of the following traits is controlled by the X-linked inheritance?
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
Many traits, such as stem length, are controlled by multiple genes. This is called _____.
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
Down Syndrome is called by which condition?
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
You and your colleagues are constructing a pedigree for a patient with cystic fibrosis. The individual's brother has also been diagnosed with cystic fibrosis. How would this brother be represented in the pedigree?
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
An individual has type AB blood. His father has type A blood and his mother has type B blood. The individual's phenotype is an example of ____.
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
A newly discovered disease is caused by an extremely rare allele of a gene on the X chromosome. The disease is 100% lethal. A female carrier of the allele decides to have children. What percentage of female embryos will die from this disease?
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
A couple has a child who, with respect to a specific trait, resembles neither parent. Which of the following is NOT a possible mechanism for this trait?
trisomy
trisomy 21
unshaded square
simple dominant heredity
polygenic inheritance
hemophilia
simple dominant heredity
50%
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