An allele that is hidden whenever the dominant allele is present.

Large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.

The process by which amino acids link together to form proteins.

The process by which a cell makes a copy of the DNA in its nucleus before cell division.

Type of RNA in the cytoplasm that carries and amino acid to the ribosome during protein synthesis.

A gene carried on a sex chromosome

The second stage of the cell cycle during which the cell's nucleus divides into two new nuclei and on set of DNA is distributed into each daughter cell.

The process that occurs in the formation of sex cells by which the number of chromosomes is reduced by half.

An organism's genetic makeup, or allele combinations

An organism's physical appearance or visible trait

The process by which molecules move from an area of higher concentration to an area of lower concentration.

A different form of gene.

A threadlike structure within a cell's nucleus that contains DNA that is passed from one generation to the next.

The complete get of genetic information that an organism carries in its DNA.