Answer:
Genetic relationships are analysed based on the comparison of allelic identity or differences, regardless of the number of SNPs that differ between two alleles of a gene, which simplifies the analysis.
Explanation:
I believe the correct answer from the choices listed above is the third option. It is oxygen that is a necessary reactant for cellular respiration to occur. Cellular respiration, in a sense, is breaking down sugar in the presence of oxygen. Hope this answers the question.
Answer:
, electricity is just electrons (sub atomic particles) moving through a conductor. Light is also just subatomic particles moving through a conductor (1.e. transparent medium) and both are part of the electromagnetic spectrum.