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11 Cards in this Set
- Front
- Back
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allele
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1 of 2 or more diff. molecular forms of a gene that codes for diff. versions of the same trait
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Chromosome
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1 molecule of DNA and associated proteins that carry genetic codes
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Chromatid
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1 of 2 DNA molecules and associated proteins
formed after replication, but before mitotic or meiotic division |
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Diploid
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chromosome number of somatic cells. It is 2 chromosomes of each type, a pair of homologous genes.
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DNA
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deoxyribonucleic acid is a nucleic acid that is double stranded.
It carries the genetic coding for all our traits |
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Gene
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unit of information about an inheritable trait that is passed on from parent to offspring
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Haploid
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chromosome number of a gamete (sex cell after meiosis) that has only one of a pair of each set of chromosomes
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Heterozygous
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having non-identical alleles at a particular locus on a pair of homologous chromosomes
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homologous pair
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a pair of chromosomes that carry genes for the same kind of trait. This pair lines up during meiosis I.
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Homozygous
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having 2 identical alleles at a given locus on a pair of homologous chromosomes
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Locus
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specific location of a particular gene on a chromosome
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