vocab words
how a trait appears or is expressed.
phenotype
a section of DNA on a chromosome that has genetic information for one trait.
gene
the passing of traits from parents to offspring.
heredity
a different form of a gene.
allele
the study of how traits are passed from parents to offspring.
genetics
the alleles of all the genes on an organism’s chromosomes; controls an organisms phenotype.
genotype
a genetic factor that blocks another genetic factor.
dominant
a genotype in which the two alleles of a gene are the same.
homozygous
a genetic factor that is blocked by the presence of a dominant factor.
recessive
heterozygous a genotype in which the two alleles of a gene are different.
heterozygous