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DNA
Deoxyribonucleic acid. A molecule that carries genetic information and makes up chromosomes
Chromosones
A strand of DNA and stabilizing proteins condensed into a threadlike structure
Genes
A unit of heredity, a sequence of DNA that codes for a protein
Allele
A variant of a gene
What is neuclotides made up of?
sugar, phosphate, and a base
Four types of bases
Adenine, Thymine, Cytosine, Guanine
Homologous chromosomes
pairs of chromosomes containing the same genes, one from each parent.
Diploid
having two sets of chromosomes in a cell
Haploid
having one set of chromosomes in a cell
Heterozygous
Different copies of a gene
Homozygous
the same copies for a gene
Locus
the same position on homologous chromosomes
