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ch 13, 14, 15 part 10
a gene at one locus alters phenotypic expression of gene at second locus
where recessive allele in heterozygotes may be transmitted to their offspring
chromosome theory of inheritance
mendelian genes have specific positions along chromosomes and its the chromosomes that undergo segregation and independent assortment
a gene located on either chromosome
inactive X chromosome in female, reactivated in the cells that give rise to eggs