Trisomy

Trisomy

The form of aneuploidy in which there are 3 chromosomes instead of just 2 for a specific homologous pair. An example is the common form of Down syndrome in which there are 3 chromosome 21's. Most foetuses with autosomal trisomies die before birth.

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Part of Speech: noun
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Industry/Domain: Anthropology
Category: Physical anthropology
Company: Palomar College
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trisomy

Biology; Cell biology

A condition where a cell has an extra chromosome.

trisomy

Biotechnology; Genetic engineering

An otherwise diploid cell or organism that has an extra chromosome of one pair (chromosome formula: 2n + 1).

trisomy

Anthropology; Physical anthropology

The form of aneuploidy in which there are 3 chromosomes instead of just 2 for a specific homologous pair. An example is the common form of Down syndrome in which there are 3 ...

trisomy

Biology; General

A condition where a cell has an extra chromosome.

trisomy

Archaeology; Human evolution

An aberrant, aneuploid state in a normally diploid cell or organism in which there are three copies of a particular chromosome instead of two copies.

malnourishment

Anthropology; Physical anthropology

An inadequacy or an excess of some key element(s) in the diet, such as proteins, fats, or specific minerals and vitamins. See undernourishment and overnourishment.

cataract

Anthropology; Physical anthropology

An impairment of vision caused by the lenses of the eyes becoming cloudy. Cataracts are common in elderly people. They may be inherited or caused by diabetes and environmental ...

oöcyte

Anthropology; Physical anthropology

An immature female sex cell. These egg precursor cells, or primary oöcytes, are produced before birth. They become secondary oöcytes usually one by one after puberty when hormones ...

chronic disease

Anthropology; Physical anthropology

An illness that lasts for a long period of time or indefinitely. In contrast, an acute disease is one with a rapid onset and a short but usually severe course.

microcephaly

Anthropology; Physical anthropology

An extremely rare genetically inherited condition in which babies are born with extremely small brains and heads. This fatal condition has been found only among the children of 23 ...

oxidizable carbon ratio (OCR) dating

Anthropology; Physical anthropology

An experimental dating technique based on the fact that organic carbon in soil humus and charcoal progressively convert to oxidizable carbon over time. The ratios of these two ...

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