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one of two kinds of homologous chromosomesthat, in certain combinations, dicate the gender of the new individual. Also has genes unrelated to sexual traits. |
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Of a sexually reproducing species, any chromosomes of a typethat is the same in both males and females. |
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Preparation of an individual's metaphase chromosomes arranged by length, centromere location, and shape. |
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A paired cross that may identify the role of parental sex on the inheritance of a trait. In the second cross, a trait characteristic of each sex is reversed compared to the original cross. |
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Base sequence in DNA that has been repeated two or more times. |
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Loss of a chromosome segment; often leads to genetic disorders. Also the loss od one or more nucleotides bases from a DNA molecule. |
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A chromosomal alternation; part of the DNA sequence gets oriented in the reverse direction, with no molecule loss. |
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attachment of a piece of a broken chromosome to another chromosome. Also, a mechanism by which organic compounds are conducted in phloem. |
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a type of chromosome abnormality in which body (somatic) cells have one extra or one less chromosome relative to the parental chromosome number. |
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Failure of sister chromatids or homologous chromosomes to move apart in meiosis or mitosis. Daughter cells get too many or too few chromosomes. |
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A case of somatic cells having three or more of each type of chromosome characteristic of the species. |
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Chart of connections among individuals related by descent. |
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The set of symptoms that characterize a medical condition. |
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A dignostic tool that uses a range of colored fluorescent dyes that bind to specific parts of chromosomes. |
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