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8.MS-LS3-4
Term | Definition |
---|---|
dominant | covers over, or dominates, another form |
trait | A characteristic that an organism can pass on to its offspring through its genes |
recessive | masked or covered by a dominant form |
gene | a unit of heredity that is transferred from a parent to offspring |
probability | likelihood that a particular event will occur |
phenotype | likelihood that a particular event will occur |
inherit | to receive genes from a parent |
carrier | A person who has one recessive allele for a trait, but does not have the trait |
homozygous | Having two identical alleles for a particular gene |
Punnett square | diagram that can be used to predict the genotype and phenotype combinations of a genetic cross |
heterozygous | having two different alleles for a trait |
alleles | different versions of a gene |
pedigree | A diagram that shows the occurrence of a genetic trait in several generations of a family |
karyotype | A picture of all the chromosomes in a cell arranged in pairs |
genotype | An organism's genetic makeup, or allele combinations |