How Long Do Fleas Live. Flea Life Span. Fleas can live up to a year and a half when they have a food supply, the optimum temperature (70F to 85F), and ideal humidity (70%). In reality though, most live for an average of 2-3 months.
(1) The complete set of genes in an organism. (2) The total genetic content in one set of chromosomes. Supplement. The genome of eukaryotes is contained in a single, haploid set of chromosomes. The genome of bacteria is contained in a single chromosome whereas the genome of viruses is in the DNA or RNA. The human genome is made up of approximately 35000 genes, or three billion chemical base pairs. Word origin: a portmanteau of the words gene and chromosome.
LINK / CITE ADD TO WORD LIST. noun. The definition of a chromosome is a thread-like structure of DNA (nucleic acids and proteins) that carries genes. The X or Y gene that determines whether you will be a boy or a girl is an example of a chromosome.noun. 1  A linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.hromosome. noun. 1  A linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.