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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
A family tree diagram that shows how a particular genetic trait or disease has been inherited.
See also: inherit.
Industry:Biology
When the combined effects of alleles at different loci are equal to the sum of their individual effects.
See also: anticipation, complex trait.
Industry:Biology
A nitrogenous base, one member of the base pair GC (guanine and cytosine) in DNA.
See also: base pair, nucleotide.
Industry:Biology
A nitrogenous base, one member of the base pair AT (adenine-thymine).
See also: base pair, nucleotide.
Industry:Biology
The study of the interaction of an individual's genetic makeup and response to a drug..
Industry:Biology