H terms

Herbicide

- a substance used in agriculture, horticulture and gardening to control unwanted plants. Herbicides can be selective, and kill selected species, or non-selective (broad spectrum), and kill all plants.

Source: http://www.biotechnology.gov.au/biotechnologyOnline/Resource/glossary.htm

Heritability

- A measure of resemblance between relatives. In the broad sense,

Histone

- Basic protein complexed with DNA in the chromosomes of eukaryotes

Homolog

- A gene from one species, for example the mouse, that has a common origin and functions the same as a gene from another species, for example, humans, Drosophila, or yeast.

Source: http://www.genomecanada.ca/GCglossaire/glossaire/index.asp

Hybrid

- An offspring or cross between two genetically unlike individuals

Hybridization

- Production of offspring, or hybrids, from genetically dissimilar parents. In selective breeding, it usually refers to the offspring of two different species.

Hybridoma

- A type of hybrid cell produced by fusing a normal cell with a tumor cell. When lymphocytes (antibody-producing cells) are fused to the tumor cells, the resulting hybridomas produce antibodies and maintain rapid, sustained growth, producing large amounts of an antibody. Hybridomas are the source of monoclonal antibodies.