Answer:
B
Explanation:
Crossing over is the process involved during meiosis of two chromosomes sharing genetic information with each other from each parent. This happens so the two daughter cells or sister chromatids have a variety of genetic information and so they are not completely identical. This leads to genetic diversity or variation.
<span>The peripheral nervous system (PNS) is one of the two major components of the body's nervous system. In conjunction with the central nervous system (CNS), the PNS coordinates action and responses by sending </span>signals<span> from one part of the body to another. The CNS includes the brain, </span>brain stem<span>, and </span>spinal cord, while the PNS includes all other sensory neurons, clusters of neurons called ganglia, and connector neurons that attach to the CNS and other neurons.
Answer: I think it is variation
Explanation:
Density tells you the mass of exactly one unit of volume any given substance.
The answer is C. 13.6
