Sex-linked, recessive traits inculding hemophilia and colorblindness are common in males. which statement explains this phenomenon? a. males have two x chromosomes. b. most of the genes on the x and y chromosomes of males are recessive. c. in males, the recessive sex-linked genes appear only on the y chromosome. d. males have only one x chromosome, and if affected, the recessive trait will appear

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

Any sound above what db can cause hearing loss in human beings

Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above