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Words | Definition |
---|---|
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. |