Definitions Flashcards
Define an Allele
A variant of a gene for a trait
Define DNA
A molecule that contains the genetic code that is unique to every individual.
Define Haploid
Cells with only one chromosome of each pair.
Define Diploid
Cells with two copies of each chromosome.
Define Meiosis
A type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes.
Define Mitosis
Cell replicates and segregates chromosomes to form two identical nuclei for division.
Define Genotype
The genetic makeup of an individual organism
Define Phenotype
An observable characteristic.
Define Gene Mutation
An alteration to the DNA base sequence of a gene.
Define Chromosomal Mutation
A change to the number of chromosomes in a cell.