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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 |