The process of natural selection involving the genome for a species directionally choosing certain genes to remain prominent in the species, such as a growth in size in response to predation.
Dictionary > Directional Selection
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Directional Selection
The process of natural selection involving the genome for a species directionally choosing certain genes to remain prominent in the species, such as a growth in size in response to predation...
Birth Control and Contraception
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Protein Variety
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..
Arthropods
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
Muscle
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
