1. Week 10 Vocab Definitions

2. Co-dominant allele
Both phenotypes are dominant and the phenotype shows expression of BOTH alleles together
Incomplete dominance
Neither phenotype is dominant. The heterozygous individual expresses a “blend” of the traits.
Multiple alleles
More than two different alleles are possible in the population for a given trait. (i.e. Blood grouping)

3. Polygenic inheritance
The pattern of inheritance where two or more genes control a trait that represents a range of outcomes
Pedigree
A chart which tells all of the known phenotypes for an organism, its ancestors, and its offspring
Carrier
An unaffected heterozygous organism that can pass on a recessive allele for a disorder to its offspring

4. Gene therapy
Inserting working copies of a gene into someone with a non-working copy so the correct protein can be made.
Transgenic organism
An organism whose genetic material has been altered using genetic engineering techniques

5. Restriction Enzyme
An enzyme that cuts double-stranded DNA
Human Genome
The sequencing of the approximately 40,000 genes on the 46 chromosomes