Units of DNA made up of phosphate group, deoxyribose, and nitrogen base.
Principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine.
Protein molecule around which DNA is tightly coiled.
Process of duplicating DNA.
The process of creating mRNA by copying part of the DNA.
Three consecutive nucleotides that specify a single amino acid on mRNA.
Decoding of an mRNA message into a protein.
The matching three nucleuotides to the codon that specify for a specific amino acid and are found on tRNA.
RNA molecule that serves as a copy
Changes in genetic material.
The division of the nucleus.
The division of the cytoplasm.
Phase in which the cell grows and DNA replicates.
Phase in which the nucleus dissovles and chromosomes become visible.
Phase in which chromosomes line up across the cell.
Phase in which the chromosomes begin to separate.
Phase in which the chromosomes gather at opposite ends of cell and the two nucleii reform.
Microtubule structure that helps separate the chromosomes during mitosis.
Term used to refer to chromosomes that each have a corresponding chromosome from the opposite sex-parent.
Cell that contains both sets of chromosomes.
Cell that contains only one set of chromosomes.
The production of gametes.
A pair of homologous chromosomes that forms during meiosis I.
Process of homologous chromosomes exchanging a portion of their genetic material.
Shape of DNA.
Structure formed before cell division made of DNA.
The force of attraction that holds base pairs together in DNA.
Segment of DNA that codes for a specific protein.
A reproductive process that involves only one parent and produces offspring that are identical to the parent.
A reproductive process that involves two parents and produces genetically different offspring.