- 업종: Government
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Sperm and egg cells and their precursors. Germ cells are haploid and have only one set of chromosomes (23 in all), while all other cells have two copies (46 in all)..
Industry:Biology
The continuation of a set of genetic information from one generation to the next.
See also: inherit.
Industry:Biology
An experimental process of inserting genes into germ cells or fertilized eggs to cause a genetic change that can be passed on to offspring. May be used to alleviate effects associated with a genetic disease.
See also: genomics, somatic cell gene therapy.
Industry:Biology
A nitrogenous base, one member of the base pair GC (guanine and cytosine) in DNA.
See also: base pair, nucleotide.
Industry:Biology
Organisms that have both male and female cells and therefore express both male and female characteristics..
Industry:Biology
A single set of chromosomes (half the full set of genetic material) present in the egg and sperm cells of animals and in the egg and pollen cells of plants. Human beings have 23 chromosomes in their reproductive cells.
See also: diploid.
Industry:Biology
A way of denoting the collective genotype of a number of closely linked loci on a chromosome..
Industry:Biology
Having only one copy of a particular gene. For example, in humans, males are hemizygous for genes found on the Y chromosome..
Industry:Biology
Cancer that occurs due to the inheritance of an altered gene within a family.
See also: sporadic cancer.
Industry:Biology
