Part D Astronomers believe that there is a large cloud of frozen comets called the Oort cloud, which surrounds our solar system.
It lies approximately 50,000 times farther from the Sun than Earth. Approximately how many squares of toilet paper
would you need to put the Oort cloud on your model? Explain how you arrived at your answer.

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

answerhomologous structures;