What species changed due to certain genetic variations

Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?

Fredrick griffith made a scientific discovery in 1928

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the traits of color blindness. the only unknown is the father in the generation.