Genetics Study Guides

Chromosomal mutations are alterations in the structure or number of chromosomes, which include duplications (where a…

Epistasis is a genetic interaction where the effect of one gene is modified or suppressed by one or more other genes,…

Genetic mapping refers to the process of determining the relative positions of genes on a chromosome based on the…

Genomic imprinting refers to a genetic phenomenon where certain genes are expressed in a parent-of-origin-specific…

The Human Genome Project was an international scientific research initiative aimed at mapping and understanding all the…

Linkage refers to the tendency of genes located close to each other on the same chromosome to be inherited together…

Pedigree analysis is a genetic tool used to trace the inheritance patterns of specific traits or disorders through…

Pleiotropy is a genetic phenomenon where a single gene affects multiple, seemingly unrelated phenotypic traits.

Polygenic inheritance is a type of genetic inheritance where multiple genes, often located on different chromosomes,…

Sex-linked inheritance, specifically X-linked traits, refers to the transmission of genetic characteristics that are…

A test cross is a genetic cross performed between an individual exhibiting a dominant phenotype and a homozygous…

X-chromosome inactivation (Barr body) is a process in female mammals where one of the two X chromosomes is randomly…