Oct 21, 2025 · Genetics, study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, …

Genetics is the study of heredity, or how certain features pass from parents to their offspring, or young. Every kind of plant and animal produces young of its own species, or type.

Sep 18, 2025 · An individual offspring inherits mutations only when mutations are present in parental egg or sperm cells (germinal mutations). All of the offspring’s cells will carry the …

Behavior genetics, the study of the influence of an organism’s genetic composition on its behavior and the interaction of heredity and environment insofar as they affect behavior.

Molecular genetics is the study of the molecular structure of DNA, its cellular activities (including its replication), and its influence in determining the overall makeup of an organism.

Sep 17, 2025 · Polymorphism, in biology, a discontinuous genetic variation resulting in the occurrence of several different forms or types of individuals among the members of a single …

recombination, in genetics, primary mechanism through which variation is introduced into populations. Recombination takes place during meiosis, when maternal and paternal genes …

Oct 12, 2025 · The sequence of bases along a strand of DNA determines the genetic code. When the product of a particular gene is needed, the portion of the DNA molecule that contains that …

Sep 5, 2025 · All genetic traits are the result of the interactions of alleles. Mutation, crossing over, and environmental conditions selectively change the frequency of phenotypes (and thus their …

Codominance, in genetics, phenomenon in which two alleles are expressed to an equal degree within an organism. As a result, traits associated with each allele are displayed …