Term
| T/F- Each member of each pair of chromosomes carries the same genes. |
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Definition
| True. Each individual carries two "homologs" of each chromosome (one from mother and one from father). |
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Term
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Definition
| Alleles are different or alternate versions of a particular gene. Ex: paternal homolog has alleles A and B, while maternal homolog might have alleles a and b. |
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Term
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Definition
| DETECTABLE inherited feature of an organism (i.e. eye color, hairline, etc) |
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Term
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Definition
| Variant of a heritable CHARACTER such as "blue-eyed" or "widow's peak" |
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Term
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Definition
| the trait that is 'visible' or 'shows' (dominant trait usually takes precedence over recessive trait) |
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Term
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Definition
| trait in a cross that takes precedence in expression over recessive trait (if present. Expressed by CAPITAL letters. |
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Term
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Definition
| presence is masked by expression of the dominant trait. expressed in LOWERCASE letters. |
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Term
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Definition
| location on a chromosome for a particular allele. |
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Term
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Definition
| when alleles are alike (i.e. AA or bb) |
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Term
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Definition
| When alleles within a set are different (i.e. Aa or Bb), which results in dominant phenotype |
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Term
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Definition
| an organisms gentic makeup, or the alleles for a specific locus (the genetic component- i.e. BB, Bb, bb) |
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Term
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Definition
| the actual expression of a trait (physical/outward component-i.e. blue eyes, brown hair, etc) |
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Term
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Definition
| Carrying both dominant alleles (e.g. AA), which results in the dominant phenotype |
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Term
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Definition
| Carrying both recessive alleles (e.g. bb), which results in the recessive phenotype. |
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Term
| T/F- Phenotype always predicts genotype |
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Definition
| False. (e.g. BB and Bb both = black) |
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Term
| The Principle of Segregation and Independent Assortment |
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Definition
| "during gamete formation, members of any homologous gene pair separate/segregate from one another independently of the members of any other gene pair" (i.e. parental homologs are separated randomly) |
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