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20 Cards in this Set
- Front
- Back
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The science of collecting, summarizing, analyzing, and interpreting numerical data is called
A semantics. B genetics. C statistics. D mathematics |
C statistics.
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pioneering study of heredity in peas was done by
A Thomas Hunt Morgan. B Watson and Crick. C John H. Dirckx. D Gregor Mendel. |
D Gregor Mendel.
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Genes perform their functions by directing the synthesis of
A proteins. B chromosomes. C nuclei. D teratogens. |
A proteins.
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Segments of chromosomal DNA that are known to be linked with heritable traits or diseases are called DNA
A markers. B gametes. C locus. D genotype. |
A markers.
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Before molecular genetic testing can be carried out, the subject must give
A a blood sample. B a down payment. C authorization. D informed consent. |
D informed consent.
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As many as 60% of _____ are believed to be due to chromosomal disorders.
A deaths B cancers C miscarriages D viruses |
C miscarriages
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The nucleus of every cell in a given individual contains _____ set of genes.
A a different B the same unique C half of the normal D a statistical |
B the same unique
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Adding up all the figures and dividing the sum by the number of figures gives _____ measurement.
A a deviation B a normal C an approximate D an average |
D an average
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Results of molecular genetic testing are generally not available for several
A days. B weeks. C years. D hours. |
B weeks.
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A functional unit of heredity that occupies a specific place on a chromosome is called a
A gene. B gamete. C DNA marker. D nucleus. |
A gene.
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Something that is transmissible from parent to offspring by information encoded in a parental germ cell is
A genotype. B hereditary. C homologous. D mitosis. |
B hereditary.
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_____ should be provided before the test is performed and should explain the implications of both positive and negative results.
A Psychological assessment B Risk stratification C Chemoprophylaxis D Genetic counseling |
D Genetic counseling
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There are _____ chromosomes in the nucleus of a human cell.
A 23 B 46 C 69 D 92 |
B 46
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There are at least _____ inheritable diseases in humans.
A 2,000 B 4,000 C 8,000 D 10,000 |
B 4,000
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Approximately 7 of every 1,000 babies are affected by a _____ disorder.
A mitosis B chromosomal C homologous D recessive |
B chromosomal
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The person's actual genetic makeup as established by molecular analysis is their
A allele. B locus. C phenotype. D genotype. |
D genotype.
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A medical _____ is a three- or four-generation medical history and can be very useful in identifying genetic disorders and patterns of inheritance.
A pedigree B proband C review D prediction |
A pedigree
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An oncogene is a defective gene that confers an increased risk of developing
A diabetes. B cancer. C heart disease. D birth defects. |
B cancer.
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Any agent that induces or increases incidence of abnormal prenatal development is called a
A phenotype. B oncogene. C teratogen. D proband. |
C teratogen.
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A change in the chemistry of a gene that is perpetuated in subsequent divisions of the cell in which it occurs is a
A nucleus. B genotype. C locus. D mutation. |
D mutation.
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