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27 Cards in this Set

  • Front
  • Back
heritable feature
character
each variant for a character
trait
same variety of offspring
true-breeding
crossing of two truebreeding varities
hybridization
true breeding parents
P generation
hybrid offspring of the P generation
F1 generation
second filial gereation
F2 generation
alternae versions of a gene
alleles
allele that is expressed
dominate allele
has no noticeable effect on theorganism's apperance
recessive allele
the seperationof alleles into seprate gametes
law of segregation
identical alleles for a charater
homozygous
two different allele for a gene
heterozygous
organism's traits
phenotype
organisim's genetic make-up
geotype
breeding of an unkown with a homo recessive to find out the unknown
testcross
breeding of a single character
monhybrids
heterozygous for two characters
dihybrids
independent segratin of each pair of alleles during gamete formation
law of independent assortment
an apperance between teh phenotypes of the two partenal varities
incomplete dominance
phenotypes of the heterozygot and dominant homozygote are indistinguishable
complete dominance
two alleles affect teh phenotype in eparate distinguishable ways
codminance
the ability of a gene toeffect an organism in many ways
pleiotropy
charactes that vary in a population along a contnuum
quantitive characters
an additive ffect of two or more genes on a single phenotypic character
polygenic inhritance
phenotypic range of variation due to environmental influence
norm of reaction
familiy trees that show the history of a paticular trait
pedigree