28. What do geneticists call the genotype in which the two alleles of a pa are identical?
LateraU16

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

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

How did global wind belts and calm regions affect transportation in the past? !