The answer is B. It is the only one where each element has the same number of molecules on each side.
Answer:
b. 2
Explanation:
Humans have typically 23 pairs of chromosomes. Each pair is composed of a chromosome from the mother and another from the father. A specific locus in a chromosome is composed of two alleles. An allele inherited from the mother and the other allele inherited from the father.
Spectrum is a word defined by a continuous range of a single feature, such as wavelength. <span>The word was first used scientifically within the field of optics to describe the rainbow of colors in visible light when separated using a prism.</span>
A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses.
