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Ch. 12 vocab
geeeeee!netics
10
Biology
9th Grade
06/13/2010

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Term
Pedegree
Definition
A graphic representation of genetic inheritance.
Term
Carrier
Definition
A heterozygous individual
Term
Fetus
Definition
A developing baby
Term
Incomplete Dominance:
Definition
When the phenotype of heterozygous individuals is different from the two homozygotes.
Term
Codominant allele
Definition
When both alleles of a genotype are represented in the phenotype
Term
Multiple allele
Definition
When a trait has more than two alleles.
Term
Autosome
Definition
A homologous chromosome that 22 of are completely the same in males and females, but the 23rd is different and determines what sex a human is.
Term
Sex chromosome
Definition
The 23rd autosome, which is different in males and females.
Term
Sex-linked trait
Definition
Any trait that is controlled by genes located on sex chromosomes.
Term
Polygenic inheritance
Definition
The inheritance patter n of a trait controlled by two or more genes.
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