资讯

Genes are segments of DNA on chromosomes that code for specific proteins. These proteins carry out various functions throughout your body and determine various traits, such as your eye color or ...
An imaging method reveals various proteins (blue, yellow and magenta) inside the nucleus of a human connective-tissue cell. Credit: Ajay Labade, Zachary Chiang, Caroline Comenho and Jason Buenrostro ...
In her book The Lost Family, Libby Copeland explores the confusing landscape of DNA testing and lays out the limits of looking to your genes for answers.
Chromatin: Chromosomes are made up of tightly coiled DNA wrapped around proteins called histones, forming a material called chromatin.This compact packaging allows the long DNA molecules to fit inside ...
Sex chromosomes are the genetic elements that define a person's biological sex. Learn about the XX and XY chromosomes, the sex determination system, and other chromosome combinations.
Why your DNA isn’t your destiny . Joshua Selsby, Ph.D., a muscle physiologist and a professor at Iowa State University, likes to compare our 20,000 genes to recipes in a big cookbook.“While we ...
Chromosomes are long winding DNA molecules containing all of an organism’s genes. Different chromosomes contain different parts of a complete genetic code, all important in different ways.
DNA from across the ages can reveal migrations of Iron-Age people and genes that protected against Chernobyl radiation Humans reached southern South America by 14,500 years ago, genomes from 139 ...
DNA of the male-determining Y chromosome has been completely sequenced end-to-end, and it’s just as weird as we expected. Will we finally be able to understand how it works?