Biology Chapter 12.2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Pedigree | A diagram that shows the occurrence of a genetic trait in several generations of a family
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Carrier | In genetics, an individual who has one copy of a recessive autosomal allele that causes disease in the homozygous condition.
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Genetic Disorder | An inherited disease or disorder that is caused by a mutation in a gene or by a chromosomal defect.
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Polygenic | Describes a characteristic that is influenced by many genes.
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Complex Character | A character such as skin color that is influenced strongly by both genes in the environment.
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Multiple Allele | More than two alleles for a genetic trait.
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Codominance | A condition in which both alleles for a gene are fully expressed.
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Incomplete Dominance | A condition in which a trait in an individual is intermediate between the phenotype of the individual's two parents because the dominant allele is unable to express itself fully.
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Sex-influenced Trait | A trait that is determined by a gene found on one of the sex chromosomes, such as the X chromosome or the Y chromosome in humans.
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Huntington's Disease | A rare hereditary disease of the brain characterized by involuntary movements of the limbs or face, decreasing mental abilities, and eventual death.
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Amniocentesis | The formation of ammonia compounds in the soil by the action of bacteria on decaying matter.
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Chorionic Villi Sampling | A procedure in which the chorionic villi to are analyzed to diagnose fetal genotypes.
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Genetic Counseling | The process of testing and informing potential parents about their genetic makeup and the likelihood that they will have offspring with genetic defects or hereditary diseases.
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Gene Therapy | A technique that places a gene into a cell to correct a hereditary disease or to improve the genome.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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