Answer:
<h2> Changes in population size may have important effects on genetic variation and on the survival potential of viral species. Genetic bottlenecks are evolutionary events that reduce genetic variation of a population in a stochastic manner and result in founding populations that can lead to genetic drift.</h2>
Explanation:
<h2>Hopes this helps. Mark as brainlest plz!</h2>
Human evolution known to be a process in which species adapt to certain conditions of life, and in the battle of life and death, they are forced to become stronger in order to survive in this world. Diseases have always been present during the evolution, acting themselves as a natural selectors - the weaker organisms get sick and die. Not just humans, but all species have to establish a great protecting mechanism in order to survive. That is how our bodies are built, to be able to withstand and survive in the conditions we live in, and that is why our immune system has to be taken care of.
HEY I THINK THIS WILL HELP?
<u>they inherited a recessive O allele from both parents. The A and B alleles are </u><u>codominant</u>.<u> Therefore, if an A is inherited from one parent and a B from the other, the phenotype will be AB. Agglutination tests will show that these individuals have the characteristics of both type A and type B blood.</u>
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<em>have a good day:)</em>
I would say 1 and 4 are the best answers. GMO crops are clones (genetically identical) so it reduces the genetic diversity making crops susceptible to new diseases.