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Chapter 12

chpt 12

TermDefinition
Carrier an individual heterozygous for a specific trait
Fetus a developing mammal from nine weeks to birth
Pedigree graphic representation of genetic inheritance used by genetistics to map genetic traits
Autosome pairs matching homologous chromosomes in somatic cells
Codominant Allele pattern where phenotypes of both homozygote parents are produced in heterozygous off-spring so that both alleles are equally expressed
Incomplete Dominance inheritance pattern where the phenotype of a heterozygote is intermediate between those of the 2 homozygotes
Multiple Allele presence of more that 2 alleles for a genetic trait
Polygenic inheritance inheritance pattern of a trait controlled by two or more genes
Sex chromosome in humans, the 23rd pair of chromosomes
sex-linked trait traits controlled by genes located on sex chromosomes
Karyotype chart of metaphase chromosome pairs arranged according to length and location of the centromere
Created by: emmawhitesell
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