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Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
homeostasis
Glossaries - Biology glossary

dynamic equilibrium maintaining appropriate body functions

hominin
Glossaries - Biology glossary

species that are more closely related to humans than chimpanzees

hominoid
Glossaries - Biology glossary

pertaining to great apes and humans

Homo
Glossaries - Biology glossary

genus of humans

Homo sapiens sapiens
Glossaries - Biology glossary

anatomically modern humans

homologous recombination
Glossaries - Biology glossary

process by which homologous chromosomes undergo reciprocal physical exchanges at their arms, also crossing over

homologous structures
Glossaries - Biology glossary

parallel structures in diverse organisms that have a common ancestor

homosporous
Glossaries - Biology glossary

produces one type of spore

homothallic
Glossaries - Biology glossary

describes when both mating types are present in mycelium

homozygous
Glossaries - Biology glossary

having two identical alleles for a given gene on the homologous chromosome

honest signal
Glossaries - Biology glossary

trait that gives a truthful impression of an individual’s fitness

horizon
Glossaries - Biology glossary

soil layer with distinct physical and chemical properties, which differs from other layers depending on how and when it was formed

horizontal gene transfer (HGT)
Glossaries - Biology glossary

(also, lateral gene transfer) transfer of genes between unrelated species

horizontal transmission
Glossaries - Biology glossary

transmission of a disease between unrelated individuals

hormonal stimuli
Glossaries - Biology glossary

release of a hormone in response to another hormone