Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Genetics

homozygous

Biology; Genetics

Of an organism in which both copies of a given gene have the same allele.

nullizygous

Biology; Genetics

Of an organism carrying two mutant loss-of-function alleles for the same gene.

monozygotic

Biology; Genetics

Derived from a single fertilized egg (about twins).

autozygous

Biology; Genetics

Of individuals whose alleles at a locus are identical by descent from the same ancestral allele.

allozygous

Biology; Genetics

Of an individual whose alleles at a locus are descended from different ancestral alleles in the base population. Allozygotes may be either homozygous or heterozygous in state at ...

transfect

Biology; Genetics

to insert into a cell of a bacterial plasmid that contains a foreign virus or genetic material.

genotype

Biology; Genetics

The combination of alleles, situated on corresponding chromosomes, that determines a specific trait of an individual, such as "Aa" or "aa"; A group of organisms having the same ...