Answer:
A gene is a section in the chromosome or DNA and the alleles is the sequence.
Explanation:
The gene determines a specific trait. An allele represents the different variations and alternatives that could be passed on.
I believe that one water molecule of water is attracted to another because of its polarity.
Its important because they produce offspring. Without any offspring the species would slowly die off and become extinct.
B .The membrane is what separates, and is the system boundary.<span />