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heredity [ Ans: ] the passing of traits from parent to
offspring
genetics [ Ans: ] the study of how traits are passed on
allele [ Ans: ] Alternate forms of a gene
gene [ Ans: ] A sequence of DNA that determines a trait
and is passed from parent to offspring
trait [ Ans: ] A specific characteristic that varies from one
individual to another
genotype [ Ans: ] An organism's genetic makeup
phenotype [ Ans: ] An organism's physical appearance, or
visible traits.
dominant allele [ Ans: ] An allele whose trait always shows
up in the organism when the allele is present.
recessive allele [ Ans: ] An allele that is masked when a
dominant allele is present
heterozygous [ Ans: ] 2 "different" alleles for a trait
, homozygous [ Ans: ] An organism that has two of the
"same" alleles for a trait
Allele [ Ans: ] The different forms of a gene
Dominant Allele [ Ans: ] An allele whose trait always
shows up in the organism when the allele is present
Recessive Allele [ Ans: ] An allele that is masked when a
dominant allele is present
Homozygous [ Ans: ] Having two identical alleles for a
trait
Heterozygous [ Ans: ] Having two different alleles for a
trait
Genotype [ Ans: ] An organisms genetic makeup, or allele
combinations
Phenotype [ Ans: ] The physical traits that appear in an
individual as a result of its genotype
Incomplete dominance [ Ans: ] A blended phenotype. One
allele is not completely dominant over the other
Codominance [ Ans: ] both alleles of a gene are present in
the phenotype
Sex linked [ Ans: ] when traits are determined by alleles on
the sex chromosomes