Which of the following occurs in the matrix of a mitochondrion? etc glycolysis krebs cycle carbon fixation

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

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

One of the reasons that stars are so large is because