HELP PLEAS Why are males affected by sex linked traits more often than females? 1. Males have only one X chromosome, so recessive traits are expressed with the inheritance of one recessive allele.
2. Mutations on a Y chromosome can amplify the effects of an X-linked mutation.
3. Y chromosomes in males often have more mutations than X-chromosomes in females.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

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