A gene that produces a GENOTYPE which causes the death of an organism before that organism has reproduced – or which prevents it from reproducing. Lethal genes are usually RECESSIVE, so the organism will die only if both its ‘parents’ carry the gene. Should only one parent have the lethal gene, its consequences will be masked by the dominant ALLELE passed on by the normal parent.... lethal gene
A term used to refer to the amount of a drug taken at a particular time, or to the amount of radiation an individual is exposed to during a session of radiotherapy. Drug dose can be expressed in terms of the weight of its active substance, the volume of liquid to be drunk, or its effects on body tissues.
The amount of radiation absorbed by body tissues during a session of radiotherapy is expressed in units called millisieverts (see radiation units).... dose
A widely agreed upon and generally accepted set of terms and definitions constituting a core of data acquired for e.g. assessment purposes.... minimum data set
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