Which statement best describes how a new human trait develops and can be passed on to future generations?
A mutation in a stomach cell results in the inability of a woman to produce a certain digestive enzyme
2.
A mother consumes alcohol during pregnancy, causing the fetus to have a low birth weight
During meiosis, a new combination of DNA subunits is formed.
4.
During mitosis, DNA does not divide correctly and the cells die.

the answer to your question is:

c. complementary base-pairing

the answer is :

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you