
Heredity | Definition & Facts | Britannica
Nov 6, 2025 · Because genes are integral to the explanation of hereditary observations, genetics also can be defined as the study of genes. Discoveries into the nature of genes have shown that genes …
Genetics | History, Biology, Timeline, & Facts | Britannica
Dec 14, 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, medicine, and …
Heredity - Genes, DNA, Chromosomes | Britannica
Today scientists understand not only the physical location of hereditary units (i.e., the genes) but their molecular composition as well. The unraveling of the physical basis of heredity makes up one of the …
Evolution, Heredity & Genetics Portal | Britannica
Heredity describes the biological processes by which certain characteristics are transmitted from parents to their offspring. Genetics studies heredity in general and genes in particular.
Heredity - DNA, Genes, Inheritance | Britannica
Nov 6, 2025 · Heredity - DNA, Genes, Inheritance: The data accumulated by scientists of the early 20th century provided compelling evidence that chromosomes are the carriers of genes. But the nature of …
The basic concepts and features of heredity | Britannica
heredity, Transmission of traits from parents to offspring through genes, the functional units of heritable material that are found within all living cells.
Human genetics | Description, Chromosomes, & Inheritance - Britannica
The study of human heredity occupies a central position in genetics. Much of this interest stems from a basic desire to know who humans are and why they are as they are.
DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...
Dec 11, 2025 · It codes genetic information for the transmission of inherited traits. The structure of DNA was described in 1953, leading to further understanding of DNA replication and hereditary control of …
Human genetic disease | Definition, Types, & Facts | Britannica
This article surveys the main categories of genetic disease, focusing on the types of genetic mutations that give rise to them, the risks associated with exposure to certain environmental agents, and the …
heredity - Students | Britannica Kids | Homework Help
They include population genetics, the study of genetic patterns within populations; classical genetics, how traits are transmitted and expressed; microbial genetics, the heredity of microorganisms; and …