Genetics

Genetics

Contributors in Genetics

Genetics

Usually refers to an individual who is heterozygous for a recessive, disease-causing allele. A carrier of such an allele usually shows no symptoms of the disease but can pass the mutant allele on to ...

Carrier testing

Biology; Genetics

Clinical method of genotyping at risk populations or family members to identify individuals, usually asymptomatic, who have a gene mutation for an autosomal recessive or X-linked disorder. One ...

Centromere

Biology; Genetics

A condensed chromosome region that mediates attachment of chromosomes to the mitotic or meiotic spindle. The centromere also contains the information that preserves the normal chromosome number.

Chromatid

Biology; Genetics

One of two replications or copies of a chromosome formed prior to cell division and joined together at their centromeres. The centromere is the last portion of a chromosome to replicate during cell ...

Clonal

Biology; Genetics

Arising from a single clone or cell. Examples include clonal selection of lymphocytes during immune development and clonal origin of leukemia cells or other tumor cells.

Cloning

Biology; Genetics

Production of a genetically identical copy. Can refer to a single gene or to an entire organism.

Codon

Biology; Genetics

Three sequential nucleotides in DNA, often referred to as the triplet code, which specifies (or codes for) a single amino acid. There are 64 different codons possible from the 4 nucleotides in DNA, ...