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Nurture
Environmental influences that affect an individual
Nature
The contribution of genetics to one’s development
Genes
Recipes for making proteins
Chromosomes
Strands of DNA
Mitosis
The cell’s nucleus makes an exact copy of all the chromosomes and splits into two new cells
Meiosis
The gamete’s chromosomes duplicate, and then divide twice, resulting in four cells containing only half the genetic material of the original gamete
Genotype
The total of all the genes a person inherits
Phenotype
The features that are actually expressed
Homozygous
Receiving the same version of a gene from our mother or father
Heterozygous
Receiving a different version of the gene from each parent