three or more forms of a gene that code for a single trait

one of the 23 pairs of chromosomes in each body cell

alleles are passed from parent to child on a sex chromosome

person who has one recessive allele for a trait and one dominant allele

abnormal condition that a person inherits through genes or chromosomes

chart that tracks which members of a family have a particular triat

picture of all the chromosomes in a cell

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Question	Answer
Multiple Alleles	three or more forms of a gene that code for a single trait
Sex chromosomes	one of the 23 pairs of chromosomes in each body cell
Sex-linked genes	alleles are passed from parent to child on a sex chromosome
Carrier	person who has one recessive allele for a trait and one dominant allele
Genetic Disorder	abnormal condition that a person inherits through genes or chromosomes
Pedigree	chart that tracks which members of a family have a particular triat
Karyotype	picture of all the chromosomes in a cell