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Pedigrees
8th Grade Life Science
| Question | Answer |
|---|---|
| Trait that is located on an autosome (non-sex chromosome) | autosomal trait |
| Chart that shows the presence or absence of a trait within a family across generations. | pedigree |
| Trait that is located on one of the two sex chromosomes | sex-linked trait |
| The physical characteristics of an organism (ex: tall) | phenotype |
| The genetic makeup of an organism (ex: TT) | genotype |
| Allele that is only expressed in absence of a dominant allele | recessive allele |
| Having two identical (same) alleles for a particular gene | homozygous |
| Having two different alleles for a particular gene | heterozygous |
| Allele that is phenotypically expressed over another allele. | dominant allele |