Lorenzo has a double row of eyelashes, which he inherited from his mother as dominant trait. His maternal grandfather is the only other relative to have it. Maria, who has normal eyelashes, marries Lorenzo. Their first child, Nicola, has normal eye lashes. Now Maria is pregnant again and hopes for a child with double eye lashes.

a. Draw a pedigree showing this family. Include Lorezo's parents and grandparents. Be sure to use the correct symbols, numbers, and generations.

b. Calculate the probability of the second child inheriting double eye lashes.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.