This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
