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More Heredity


Meosis A process where gametes with one set of unpaired chromosomes.
X-chromosome The longer chromosome. females have 2 x-chromosomes, males have 1.
Y-chromosome The shorter sex chromosome. Males have one x-chromosome and one y-chromosome.
DNA deoxyribonucleic acid is a large molecule structured from chains of repeating units of the sugar deoxyribose and phosphate linked to four different bases abbreviated A, T, G, and C.
replication The copying process in which new DNA is created.
mutation A change in DNA or chromosomes; can occur in body cells and sex cells. Most mutations are not harmful.
phenotype the physical attribute (observable trait) of the gene
geneotype the gene combination that detrmines the phenotype (dominant/recessive, recessive/recessive, dominant/dominant.
Created by: gphutter