How does the size of the olfactory bulb in sheep compare to the size in humans? what might this tell you about the sense of smell in the sheep’s survival, in particularly regarding how it acquires food?

-The size of sheep olfactory bulb is two to three time larger than humans olfactory bulb.  

-Sheep has strong sense of smell that helps the sheep to acquire food.

Explanation:

- The size of the sheep brain is much smaller than humans but sheep has well developed olfactory bulb than humans. The human brain is more circular in shape whereas sheep brain is more extended.

- The well developed olfactory bulb in sheep helps the sheep to find the food. Sheep has strong sense of smell due to large olfactory bulb. Sheep can easily find the location of food located farway from it as the sheep has strong sense of smell.

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)