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16 Cards in this Set
- Front
- Back
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Humans have how many pairs of chromosomes?
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23 pairs; 22 pairs of autosomes and 1 pair of sex chromosomes
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Chromosomes
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structures w/i nucleus that contain DNA.
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Mitosis
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cell division in somatic cells.
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Meiosis
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cell division in gametes.
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Phenotype
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observable expression of inherited traits.
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Genotype
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actual genetic makeup.
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Pedigree chart
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illustrates the difference b/w genotype and phenotype.
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Punnett square
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illustrates the probabilities from known or inferred genotypes.
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Genes
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the basic units of inheritance on a chromosome.
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Alleles
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alternate forms of a gene at a given locus.
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Antithetical
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opposite allele
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Polymorphic
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having two or more alleles at a given locus.
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Codominant
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equal expression of both inherited alleles.
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Recessive
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gene product expressed only when inherited by both parents.
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Dominant
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gene product expressed over another gene.
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Amorphic
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describes a gene that does not express a detectable product.
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