Chapter 11-3 and 11-4 Vocab Flashcards
Situation in which the phenotypes produced by both alleles are completely expressed
Codominance
A gene that has more than two alleles
Multiple alleles
Trait controlled by two or more genes
Polygenic trait
Term used to refer to chromosomes in which one set comes from the male parent and one set comes from the female parent
Homologous
Term used to refer to a cell that contains two sets of homologous chromosomes
Diploid
Term used to refer to a cell that contains only a single set of genes
Haploid
Process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell
Meiosis
Structure containing 4 chromatids that forms during meiosis
Tetrad
Process in which homologous chromosomes exchange portions of their chromatids during meiosis
Crossing-over
Fertilized egg
Zygote
Situation in which one allele is not completely dominant over another allele
Incomplete dominance