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Biology chapt. 11 Vo
chapter 11: Complex Inheritance and Human Heredity vocabulary
| Question | Answer |
|---|---|
| carrier | an individual who is heterozygous for a recessive trait |
| pedigree | a diagram that traces the inheritance of a particular trait through several generations |
| incomplete dominance | where a heterozygous phenotype between the two homozygous phenotypes |
| codominance | both alleles are expressed in a heeterozygous condition |
| multiple alleles | determine some forms of inheritance |
| epistasis | the result of one allele hiding the effects of another allele |
| sex chromosome | determines an individual's gender |
| autosomes | after sex chromosomes, the other 22 chromosomes |
| sex-linked traits | traits controlled by genes located on the X cromosomes |
| polygenic traits | interaction of multiple pairs of genes |
| karyotype | pairs of homologous chromosomes are arranged in decreasing size to produce a micrograph |
| telomere | chromosomes ending in protective caps |
| nondisjunction | when sister chromatids fail to separate properly during meosis I or meosis II |