Genetic variation<span> occurs </span>mainly<span> through DNA mutation, gene flow (movement of genes from one population to another) and sexual reproduction</span>
Organisms are the biotic parts of an ecosystem.
Nerve cells are functionally classified as sensory neurons, motor neurons, or interneurons. Sensory neurons (afferent neurons) are unipolar, bipolar, or multipolar shaped cells that conduct action potentials toward or into the central nervous system.
Answer:
the correct answer is 25%
Explanation:
the whole amount of squares is 100%. to get a homozygous dominant you must have two capital letters. only one box has two capital letters so that makes 25%
