All Words Glossary

Glossary of Genetics Terms
beginning with letter H
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haploid
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noun (plural haploids)
  1. A cell which is haploid; an organism, such as a fungus, with haploid cells.
adjective
  1. (cytology) Of a cell having a single set of unpaired chromosomes, such as a gamete.
heart
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noun
  1. (anatomy) A muscular organ that pumps blood through the body.
  2. emotions, Emotions, kindness, or spirit in general (but like above, people only have one heart).
  3. A shape or symbol approximately in the shape of a heart (♥).
  4. A playing card of the suit hearts featuring one or more heart-shaped symbols.
  5. The centre, essence, or core.
verb
  1. (context, internet slang, text messaging, emoticon) To be fond of, frequently abbreviated as <3.
hereditarian
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noun
  1. One who advocates hereditarianism
adjective
  1. of, or relating to hereditarianism
hereditary
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adjective
  1. (of a disease or quality) passed from a parent to a child in the genes
Haemophilia is in his family.
  1. (of a title, honour or right) legally granted to somebody's descendant after that person's death.
Duke is a title which was created in Norman times.
  1. (of a person) holding a hereditary (2) title or rank
rulers
heredity
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noun
  1. hereditary, Hereditary transmission of the physical and psychical qualities of parents to their offspring; the biological law by which living beings tend to repeat their characteristics in their descendants.
heterochromatic
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adjective
  1. Having more than one colour
  2. Of light, having more than one wavelength
  3. Of, or relating to heterochromatin
heterochromatin
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noun
  1. (cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive
heterogamous
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adjective
  1. (botany) in which the stamens and pistils are not present in every flower; i.e. there are male and female flowers
  2. (biology) characterixed by alternating generations of a parthenogenetic and sexual nature
  3. (biology) involving heterogametes in the reproductive process
heterosis
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noun (heteros, es)
  1. (genetics) The tendency of cross-breeding to produce an animal or plant with a greater hardiness than its parents; hybrid vigour
heterozygosis
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noun (heterozygos, es)
  1. (genetics) The fusion of two genetically different gametes
heterozygote
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noun
  1. (context, genetics) A diploid individual that has different alleles at one or more genetic loci.
  2. (biology) A bacteriophage that has two different copies of its genetic material and so produces two types of offspring.
hexaploid
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noun
  1. a cell or organism that has six complete sets of chromosomes.
adjective
  1. having six complete sets of chromosomes in a single cell.
homogamy
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noun
  1. A marriage between individuals of a similar culture.
homogeneous
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adjective
  1. similar, or the same as something else
  2. having the same composition throughout; uniform
  3. (chemistry) in the same state of matter.
  4. (mathematics) see w:homogeneous (mathematics), homogeneous (mathematics)
homogenous
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adjective
  1. (biology) Having the same genetic structure; exhibiting homogeny
    1. Having the same consistency and contents throughout; uniform or homogeneous
homologous
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adjective
  1. Showing a degree of correspondence or similarity such that it suggests a common origin.
  1. (biology) corresponding to a similar structure in another life form with a common evolutionary origin e.g. flippers and hands
  2. (chemistry) belonging to a series of aliphatic organic compounds that differ only by the addition of a CH2 group
  3. (genetics) having the same morphology as another chromosome
    1. homologous blood donation
homozygote
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noun
  1. (genetics) A diploid individual that has equal alleles at one or more genetic loci.
hot spot
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noun (wikipedia, hotspot (geology))
(plural hot spots)
  1. (geology) the surface manifestation of a plume that rises from deep in the Earth"s mantle
  2. a dangerous place of violent political unrest
  3. a lively and entertaining place, such as a nightclub
  4. an area of radioactive contamination
  5. (genetics) the region of a gene in which there is higher than normal rate of mutation
  6. (computing) a location in which WiFi? Internet access is available
(wikipedia, hotspot (wifi))
hybridism
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noun
  1. the state of being hybrid
  2. the production of hybrids by cross-breeding
  1. (linguistics) the formation of a word from elements of different languages
hybridize
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verb to hybridize
  1. (transitive) to cross-breed animals or plants to form hybrids
  2. (transitive) to construct a hybrid word from elements of different languages
  3. (physics) to combine atomic orbitals mathematically to form hybrid orbitals
  4. (biochemistry) to combine complementary subunits of multiple biological macromolecules
hypostatic
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adjective
  1. (theology) Pertaining to hypostasis, especially with reference to w:Hypostatic union, hypostatic union.
  2. (medicine) Pertaining to hypostasis.
  3. (genetics) Of a gene, affected by hypostasis.

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