Human Genetics F14
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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| ABO blood type | a classification system of multiple alleles to identify blood type
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| Cystic fibrosis | an inherited condition caused by a defective gene that causes the secretions to become thick and sticky; the secretions plug up tubes, ducts and passageways, especially in the lungs and pancreas.
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| Down's Syndrome | A human genetic disease resulting from having an extra chromosome on pair #21, characterized by mental retardation and heart and respiratory defects
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| color blindness | the inability to distinguish colors and is an inherited sex
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| hemophilia | genetic disorder that impairs the blood's ability to clot and can cause excessive bleeding
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| sex-linked traits | An inherited trait, determined by a gene located on a sex chromosome X; in males.
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| PKU | lackinf an an emzyme to break doewn the amoion acid, phenyalanine. Phenylalanine accumulates in blood and seriously impairs early neuronal development. The defect can be controlled by diet.
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| karyotype | A method of organizing the chromosomes of a cell in relation to number, size, and type
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| multiple allele | Typically, there are only two alleles for a gene in a diploid organism. The presence of multiple alleles is best illustrated by the ABO blood group system
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| nondisjunction | n accident of meiosis or mitosis, in which both members of a pair of homologous chromosomes or both sister chromatids fail to move apart properly
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| Pedigree | A family tree describing the occurrence of heritable characters in parents and offspring across as many generations as possible.
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| Huntington's Disease | autosomal dominant, inherited adult
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| Sickle Cell Anemia | a disease passed down through families in which red blood cells form an abnormal sickle or crescent shape. Red blood cells carry oxygen to the body and are normally shaped like a disc.
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