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Biology 7.1-7.4

From the book "Biology" by Stephen Nowicki

TermDefinition
carrier an individual who has one copy of a recessive autosomal allele that causes disease in the homozygous condition
sex-linked gene gene that is located on the sex chromosome
X chromosome inactivation process that occurs in female mammals in which one of the X chromosomes is randomly turned off in each cell
incomplete dominance a condition in which a trait in an individual is intermediate between the phenotype of the individual's two parents because the dominant allele is unable to express itself fully
codominance a condition in which both alleles for a gene are fully expressed
polygenic trait trait that is produced by two or more genes
linkage map diagram that shows the relative locations of genes on a chromosome
pedigree a diagram that shows the occurrence of a genetic trait in several generations of a family
karyotype image of all the chromosomes in a cell
Created by: MLLacey
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