The test that can show a parental genotype.
Test cross
Genetic information moving across chromatids
Crossing over
The way that cells control genetic expression
Regulation
The ratio of a dihybrid cross
9:3:3:1
The unit that describes the distance between alleles on a chromosome.
Map units
The outcome of DNA methylation
Silencing of the gene, no expression
The maximum amount of genes that can impact a single trait
Lots!
The common insect used for tests for genetic inheritence
Drosophila Melanogaster
The three units of the Lac Operon
LacZ, LacY and LacA
The effect of a modifier gene
A gene that alters the expression of another, separate "target" gene
The maximum map units that can be calculated with only 2 alleles, noting that they are additive and could be more than this
50 map units
The use of a DNA microarray
Test for DNA expression in different cells types