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11.3 and11.4
Vocabulary
| Question | Answer |
|---|---|
| Incomplete dominance | Situation in which one allele is not completely dominant over another allele |
| Multiple alleles | A gene that has more than two alleles |
| Polygenic traits | Trait controlled by two or more genes |
| Codominance | Situation in which the phenotypes produced by both alleles are completely expressed |
| Homologous | Term used to refer to chromosomes in which one set comes from the male parent and one set comes from the female parent |
| Diploid | Term used to refer to a cell that contains two sets of homologous chromosomes |
| Haploid | Term used to refer to a cell that contains only a single set of genes |
| Meiosis | Process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell |
| Tetrad | Structures containing four chromatids that form during meiosis |
| Crossing-over | Process in which homologous chromosomes exchanges portions of their chromatids during meiosis |
| Zygote | Fertilized egg |