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one possible version of a gene
a segment a chromosome that codes for a particular trait
the physical expression of a gene
the genetic make up of a gene
a cross involving only 1 gene
a cross involving two genes
a gene whose expression masks or inhibits the expression of the other gene
a gene whose expression can be masked or inhibited by the presence of a dominant gene
genotypically mixed (2 different alleles)
genotypically the identical (the same alleles)
Incomplete dominance (2)
condition in which one allele is not fully dominant over another.
-Heterozygous phenotype is between the two homozygous phenotypes
several genes acting together that control most phenotypes
- results in continious variations of that gene
there are 3 or more forms of a gene for a trait.
-they can only carry 2 of the 3 though
sex linked traits
-Men are the only people to inherit Y-linked traits.
Both men and women inherit X-linked traits
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