Chapter 9 Flashcards
the genetic makeup of an individual, inherited from the parents
genotype
the observable character of an individual, determined by both genes and environment
phenotype
a thing or trait that is passed down from generation to generation
inheritance
a distinguished quality that varies from organism to organism
trait
one of two or more alternative forms of a gene and are found at the same place on a chromsome
allele
when an individual carries identical alleles of a gene
homozygous
when an individual carries two different alleles of a gene
heterozygous
in a heterozygous individual, the allele that is expressed in the phenotype other the other allele
dominant allele
in a heterozygous individual, the allele that is not expressed in the phenotype, even though that allele is being carried
recessive allele