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Genetics

One of alternative forms of the same gene

Chromosomal translocation

Phenomenon that results in unusual rearrangement of chromosomes

Chromosome abnormality

Abnormal number or structure of chromosomes

Process of determining the order of nucleotides in DNA molecules

Dominance (genetics)

One gene variant masking the effect of another in the other copy of the gene

The study of factors producing the accumulation and perpetuation of defective genes/traits

Study of heritable DNA and histone modifications that affect the expression of a gene without a change in its nucleotide sequence.

Term in biology

Study of the gene expression changes caused by epigenetic processes, rather than DNA change

Effort to improve purported human genetic quality

Extranuclear inheritance

Transmission of genes occurring outside the nucleus

Sequence of DNA or RNA that codes for an RNA or protein product

Genetic disorder

Health problem caused by one or more abnormalities in the genome

Genetic linkage

Tendency of DNA sequences that are close together on a chromosome to be inherited together

Genetic recombination

The production of offspring with combinations of traits that differ from those found in either parent

Science of genes, heredity, and variation in living organisms

All genetic material of an organism

Discipline in genetics

Part of the genetic makeup of a cell which determines one of its characteristics

Passing of traits to offspring from the species's parents or ancestor

Estimation of effect of genetic variation on phenotypic variation of a trait

Difference in a quantitative trait between heterozygous and homozygous genotypes

Homologous recombination

Type of genetic recombination

Horizontal gene transfer

A type of nonhereditary genetic change involving swapping of DNA or RNA other than from parent to offspring

Complete set of nucleic acid sequences for humans

Human Genome Project

Research program for sequencing the human genome

Hybrid (biology)

Offspring of cross-species reproduction

Reproduction by closely related organisms

Introduction to genetics

Non-technical introduction to the subject of genetics

Mendelian inheritance

Type of biological inheritance

Molecular evolution

Process of change in the sequence composition of cellular molecules across generations

Molecular genetics

Scientific study of genes at the molecular level

Chemical agent that increases the rate of genetic mutation by interfering with the function of nucleic acids

Alteration in the nucleotide sequence of a genome

Proportion of individuals carrying a particular variant of a gene that also express an associated trait

Composite of the organism's observable characteristics or traits

Number of sets of chromosomes in a cell

Replacement, insertion, or deletion of a single DNA or RNA nucleotide

Quantitative genetics

The study of the inheritance of continuously variable traits

Reverse genetics

Method in molecular genetics

Sex-specific patterns of inheritance

Sex-determination system

Biological system that determines how we determine the sexual characteristics in an organism

Degree of similarity of the alleles for a trait in an organism; description of whether two alleles have identical or different DNA sequences