Genetics

STUDY
PLAY

Terms in this set (...)

trait
a characteristic or property an organism has
phenotype
the physical expression of a trait
genotype
the alleles a person has for the trait
purebred/homozygous
having 2 of the same alleles for a trait
hybrid/heterozygous
having 2 different alleles for a trait
gene
the instructions for an inherited trait, found on a chromosome
allele
different forms of a gene
dominant
allele that is expressed when present
recessive
allele that can be masked or hidden by a dominant allele
P (parental) Generation
parental organisms for first mating
F1 (first filial) Generation
offspring of the parents
F2 (second filial) Generation
offspring of the F1 cross
gametes
sex cells (egg/sperm)