8. Sex linked traits are typically carried on the X chromosome. To denote the genotypes, a superscript
is used. A female carrier of hemophilia will have the
genotype xHx". Using the letters X and Y, what is the
genotype for each of the following people?

Organisms within a population must compete for resources to survive

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

What is used to keep track of the gamates and possible offsprings combination