And Answers.
gene - Answer sequence of DNA that codes for a protein and thus determines a trait
allele - Answer one of a number of different forms of a gene
homozygous - Answer having two identical alleles for a trait
heterozygous - Answer having two different alleles for a trait
genotype - Answer an organism's genetic makeup, or allele combinations.
phenotype - Answer physical characteristics of an organism
polygenic trait - Answer trait controlled by two or more genes
pleiotropy - Answer a single gene having multiple effects on an individuals phenotype
incomplete dominance - Answer A pattern of inheritance in which two alleles, inherited from
the parents, are neither dominant nor recessive. The resulting offspring have a phenotype that
is a blending of the parental traits.
codominance - Answer A condition in which both alleles for a gene are fully expressed
epistasis - Answer a gene at one locus alters the phenotypic expression of a gene at a second
locus
sex-linked trait - Answer a trait that is determined by a gene found on one of the sex
chromosomes, such as the X chromosome or the Y chromosome in humans