Difficulties will occur to every one, with respect to this theory." list two potential difficulties that might have troubled darwin's contemporaries.

Difficulties will occur to every one, with respect to this theory." Darwin's contemporaries were eight characters, Alfred Russel Wallace, Charles Lyell, Ernst Haeckel, Gregor Mendel, Mary Anning, Robert Chambers, Thomas Henry Huxley and Thomas Malthus, and the two potential difficulties that might have troubled darwin's contemporaries were the lack of transitional forms and insufficient time for different forms to evolve.

Since a female is both xx chromosome and the male passes down the x chromosome, than the offspring would be female since a female is xx.

Ithink the answer is d.