It is the identity of the genes of your chromosomes that is your genetics that may not be physical, as compared to a phenotype which is a physical trait.
The answer is (A) as <span> increasing risk of lung cancer is from increasing levels of exposure to outdoor air pollution and </span>particulate matter
Hi!
I think the answer is A
I hope that u an dight
<span>The mother must be present is not a characteristic of imprinting. Since </span>imprinting is not only effective for females only.